93 bridges with vertical clearance data on I-99 in Pennsylvania. Lowest: 142.4ft.
| Clearance | Carries | Crosses | Location | Built | Map |
|---|---|---|---|---|---|
| 142.4ft | I-99 / Us 220 Nbl | Pa 869 | Over Tr 869 | 1978 | Map |
| 143.4ft | I-99 / Us 220 Sbl | Pa 36 | Village Of Lakemont | 1985 | Map |
| 145.7ft | I-99 / Us 220 Sbl | Sr 4009 | Over Sr 4009 (Cessna) | 1978 | Map |
| 145.7ft | I-99 And Sr 8005 | Sr453 & 1012, Rr, J. Riv | Tyrone Viaduct | 1975 | Map |
| 146.3ft | Sr 99 - I 99 | T-425 | 4 Mi Se Bellefonte | 1973 | Map |
| 146.7ft | I-99 / Us 220 Sbl | Sr 3013 | 1 Mi.S.Of Newry | 1987 | Map |
| 146.7ft | I-99 / Us 220 Nbl | Sr 8003 @ Exit 45 | 1.75 Mi.S.Of Tyrone | 1971 | Map |
| 148.3ft | I-99 / Us 220 Nbl | Sr 4009 | Over Sr 4009 (Cessna) | 1978 | Map |
| 148.3ft | I-99 / Us 220 Nbl | Sr 2012 | 1 Mi.N.Of Newry | 1984 | Map |
| 148.3ft | I-99 / Us 220 Nbl | Sr 8004 (22 Eb To 99 Nb) | .5 Mi.N.Of Duncansville | 1983 | Map |
| 148.3ft | I-99 / Us 220 Sbl | Sr 8004 (22 Eb To 99 Nb) | .5 Mi.N.Of Duncansville | 1983 | Map |
| 148.3ft | Sr 322-Us 322 | Sr 3005 | 3 Mi N State College | 2001 | Map |
| 149.3ft | I-99 / Us 220 Sbl | Sr 1001/Business Us 220 | .5 Mi.S.Of Altoona | 1984 | Map |
| 149.9ft | I-99 / Us 220 Nbl | Pa 56 | Over Pa 56 @ Cessna | 1971 | Map |
| 149.9ft | I-99 / Us 220 Nbl | Sr 1002 | 1 Mi W Of Hollidaysburg | 1983 | Map |
| 154.2ft | I-99 / Us 220 Sbl | Pa 869 | Over Tr 869 | 1978 | Map |
| 154.9ft | I-99 / Us 220 Sbl | Pa 56 | Over Tr 56 | 1971 | Map |
| 154.9ft | I-99 / Us 220 Nbl | Sr 1001/Business Us 220 | .5 Mi.S.Of Altoona | 1984 | Map |
| 155.8ft | I-99 / Us 220 Sbl | Sr 1002 | 1 Mi.W.Of Hollidaysburg | 1983 | Map |
| 156.2ft | Sr 99 - I 99 | T-422 | Bellefonte | 1972 | Map |
| 157.2ft | Sr 99-I 99 | Sr 3043 | 0.5 Mi E Of State College | 2002 | Map |
| 158.1ft | I-99 / Us 220 Sbl | Sr 8003 @ Exit 45 | 1.75 Mi.S.Of Tyrone | 1971 | Map |
| 158.1ft | Sr 99 - I 99 | T-422 | Bellefonte | 1997 | Map |
| 160.1ft | Sr 322-Us 322 | Sr 3005 | 3 Mi N State College | 2001 | Map |
| 160.4ft | Sr 99 - I 99 | T-425 | 4 Mi Se Bellefonte | 2000 | Map |
| 160.8ft | Sr 99 - I 99 | Sr 550-Pa 550 | Bellefonte | 1972 | Map |
| 163.7ft | Sr 99-I 99 | Zendt Lane | 1 Mile North Port Matilda | 2005 | Map |
| 164.4ft | Sr 99-I 99 | Sr 3043 | 0.5 Mi E Of State College | 2002 | Map |
| 166.7ft | I-99 / Us 220 Nbl | Pa 865/Sr 1008 @ Exit 41 | 0.3 Mi. E. Of Bellwood | 1992 | Map |
| 167.0ft | Sr 99-I 99 | Sr 150-Pa 150 | 6 Mi N. Of State College | 2001 | Map |
| 170.6ft | Sr 99-I 99 | Bricker Road | 1 1/4 Mi S Of 150 Interch | 2001 | Map |
| 170.9ft | I-99 / Us 220 Nbl | Pa 764/Sr 1018 @ Exit 39 | 1 Mi East Of Pinecroft | 1994 | Map |
| 170.9ft | I-99 / Us 220 Nbl | Sr 4041 | 0.7 Mi S Of Bald Eagle | 2006 | Map |
| 174.9ft | I-99 / Us 220 Sbl | Sr 4041 | 0.7 Mi. S. Of Bald Eagle | 2006 | Map |
| 175.2ft | Sr 99 - I 99 | Sr 550-Pa 550 | Bellefonte | 1997 | Map |
| 175.5ft | Sr 99-I 99 | Bricker Road | 1 1/4 Mi S Sr 150 Interch | 2001 | Map |
| 179.1ft | Sr 99-I 99 | Prison Road E/Venture Dr | 1/2 Mi N Sr 150 Interchan | 2001 | Map |
| 180.8ft | Sr 99-I 99 | Prison Road D | 1 Mi S Sr 150 Interchange | 2001 | Map |
| 182.7ft | Sr 99-I 99 | Prison Road D | 1 Mi S Sr 150 Interchange | 2001 | Map |
| 182.7ft | Sr 99-I 99 | Prison Road E/Venture Dr | 1/2 Mi N Sr 150 Interchan | 2001 | Map |
| 188.3ft | I-99 / Us 220 Nbl | Sr4019,Abn.Rr,Dunning Cr | Over Sr 4019 (Cessna) | 1971 | Map |
| 188.3ft | I-99 / Us 220 Sbl | Sr4019,Abn.Rr,Dunning Cr | Over Sr 4019 (Cessna) | 1971 | Map |
| 192.9ft | I-99 / Us 220 Sbl | Sr 3013,C-101,Rr,Jun.Riv | 0.5Mi.S.Of East Freedom | 1986 | Map |
| 193.2ft | I-99 / Us 220 Nbl | Sr 3013 | 1 Mi.S.Of Newry | 1987 | Map |
| 195.9ft | I-99 / Us 220 Sbl | Pa 764 @ Exit 39 | 1 Mi East Of Pinecroft | 1994 | Map |
| 196.5ft | Sr 99-I 99 | Sr 8015 Ramp | 0.5 Mi N Of State College | 2002 | Map |
| 197.2ft | Sr 99-I 99 Sb | Sr 322Wb Sr 3007 & Ramps | State College | 2002 | Map |
| 200.8ft | I-99 / Us 220 Sbl | Pa 865 @ Exit 41 | 0.3Mi.E.Of Bellwood | 1992 | Map |
| 202.1ft | Sr 99 I-99 | Sr 3042 - Us 322 | 4 Mile West State College | 2004 | Map |
| 202.4ft | I-99 / Us 220 Nbl | Pa 36 | Village Of Lakemont | 1985 | Map |
| 209.3ft | I-99 / Us 220 Nbl | T373 (Catfish Road) | Newry Borough | 1987 | Map |
| 210.0ft | I-99 / Us 220 Nbl | Sr 3013,C-101,Rr,Jun Riv | .5 Mi.S.Of East Freedom | 1986 | Map |
| 211.3ft | Sr 99-I 99 | Sr 150-Pa 150 | 6 Mi. N. State College | 2001 | Map |
| 216.2ft | Sr 99-I 99 | Zendt Lane | 1 Mile North Port Matilda | 2005 | Map |
| 217.5ft | I-99 / Us 220 Sbl | T349 | 1 Mi.S.Of East Freedom | 1988 | Map |
| 218.2ft | Sr 99-I 99 Nb | Sr 322Wb Sr 3007 & Ramps | State College | 2002 | Map |
| 220.8ft | I-99 / Us 220 Sbl | T373 (Catfish Road) | Newry Borough | 1987 | Map |
| 220.8ft | I-99 / Us 220 Nbl | Sr 0350 | 1.07 Mi North Of Exit 52 | 2006 | Map |
| 223.4ft | I-99 / Us 220 Nbl | Norfolk,Beaverdam Br Jun | 1 Mi W Of Hollidaysburg | 1983 | Map |
| 224.1ft | I-99 / Us 220 Sbl | Pa 164 & South Dry Run | East Freedom | 1987 | Map |
| 225.7ft | I-99 / Us 220 Sbl | Sr 0350 | 1.07 Mi North Of Exit 52 | 2006 | Map |
| 227.4ft | I-99 / Us 220 Nbl | T349 | 1 Mi.S.Of East Freedom | 1988 | Map |
| 230.6ft | I-99 / Us 220 Nbl | Pa 164 & South Dry Run | East Freedom | 1987 | Map |
| 233.9ft | Sr 99-I 99 | Sr 8015 Ramp E | 0.5 Mi N Of State College | 2002 | Map |
| 236.5ft | I-99 / Us 220 Sbl | Us 22,Boro St,Abandon Rr | 1.13 Mile S. From Exit 28 | 1981 | Map |
| 242.5ft | I-99 / Us 220 Sbl | Norfolk,Beaverdam Br Jun | 1 Mi.W.Of Hollidaysburg | 1983 | Map |
| 243.4ft | I-99 / Us 220 Nbl | Us 22,Boro St,Abandon Rr | Duncansville | 1981 | Map |
| 250.0ft | I-99 / Us 220 Sbl | Sr 2012 | 1 Mi.N.Of Newry | 1984 | Map |
| 257.2ft | Sr 99-I 99 | T-361 And Trib Spring Cr | 1 Mi E Of State College | 2002 | Map |
| 265.1ft | Sr 99 I-99 | Sr 3042 | 1 Mile North Port Matilda | 2003 | Map |
| 270.0ft | I-99 / Us 220 Nbl | 8Th Ave Ext,Blair Gap Rn | Duncansville | 1984 | Map |
| 270.0ft | I-99 / Us 220 Sbl | 8Th Ave Ext,Blair Gap Rn | Duncansville | 1983 | Map |
| 271.7ft | Sr 99 I-99 | Sr 3042 | 1 Mile North Port Matilda | 2003 | Map |
| 297.2ft | Sr 99 I-99 | Sr 3042 - Us 322 | 4 Mile W Of State College | 2004 | Map |
| 298.6ft | Sr 99-I 99 | Seda-Cog/Nit&Bald Egl Rr | 1 Mile West Port Matilda | 2006 | Map |
| 321.9ft | Sr 99-I 99 | Seda-Cog/Nit&Bald Egl Rr | 1 Mile West Port Matilda | 2006 | Map |
| 333.7ft | Sr 99-I 99 Sb | T-361 And Trib Spring Cr | 1 Mi E Of State College | 2001 | Map |
| 393.0ft | Sr 99 I-99 | Sr 550-Pa 550 | 4 Mi South State College | 2004 | Map |
| 436.4ft | Sr 99 I-99 | Sr 550-Pa 550 | 4 Mi South State College | 2004 | Map |
| 450.1ft | Sr 99-I 99 | Rockview Rd Tr Spring Cr | 3.8 Mi E.Of State College | 2001 | Map |
| 466.9ft | Sr 99-I 99 | Rockview Rd Tr Spring Cr | 3.8 Mi.E.Of State College | 2001 | Map |
| 479.3ft | Sr 99-I 99 | Bald Eagle C/Sr 3040 | 1 Mile South Port Matilda | 2006 | Map |
| 484.9ft | Sr 99-I 99 | Bald Eagle C/Sr 3040 | 1 Mile South Port Matilda | 2006 | Map |
| 521.7ft | Sr 99 I-99 | Seda-Cog/Nit&Bald Egl Rr | 1.0 Mi E Port Matilda | 2003 | Map |
| 528.5ft | Sr 99-I 99 | Seda-Cog/Nit&Bald Egl Rr | 1 Mile East Port Matilda | 2003 | Map |
| 603.0ft | Sr 99-I 99 Nb | T-376 And Spring Creek | 2 Mi Ne Of State College | 2002 | Map |
| 613.8ft | Sr 99-I 99 Sb | T-376 And Spring Creek | 2 Mi Ne Of State College | 2002 | Map |
| 764.1ft | Sr 99-I 99 | Sellers Lane/Waddle Cr | 5 Mi W State College | 2005 | Map |
| 780.8ft | Sr 99-I 99 | Sellers Lane/Waddle Cr | 5 Mi W State College | 2005 | Map |
| 794.9ft | Sr 99-I 99 | Sr 3040/ N.Bald Eagle Cr | 1.5Mi N Port Matilda Exit | 2005 | Map |
| 830.1ft | Sr 99-I 99 | Sr 220 / N.Bald Eagle Cr | 1.5 Mile N Port Matilda | 2005 | Map |
| 927.5ft | Sr 99-I 99 | Sr 144/Seda-Cog/Nit& B E | 2 Mi Nw Pleasant Gap | 2001 | Map |
| 945.9ft | Sr 99-I 99 | Sr 144/Seda-Cog/Nit& B E | 2 Miles N W Pleasant Gap | 2001 | Map |