Blair County, Pennsylvania bridges
Blair County has 338 bridges and culverts in the National Bridge Inventory, the oldest built in 1898. 39 (12%) are rated poor. The most common type is box beam or girders - multiple (41%).
- Bridges
- 338
- Good
- 36%
- Fair
- 52%
- Poor
- 12%
- 39 bridges
- Average age
- 48.8 yrs
- Posted or closed
- 28
Map of bridges in Blair County
Green good, amber fair, red poor. Click a marker for details.Search bridges in Blair County
Type at least two characters, or pick a condition or type, to search every bridge in the county.
Condition
Good36%(123)
Fair52%(176)
Poor12%(39)
When they were built
Busiest
- SR 4010 (17th St) over Brush RunGood25,718 vehicles/day
- SR 4010 (17th St) over I-99 / US 220Good25,718 vehicles/day
- SR 4010 over SR 4009_NORFOLK So. RRFair19,273 vehicles/day
- Pa 36/ Pa 164 over Everett RailroadFair18,566 vehicles/day
- Pa 36 over Halter CreekFair17,622 vehicles/day
Longest
Oldest
- Fair
- Poor
- T-397 Biddle Road over Clover CreekPoorBuilt 1908
- T454 Lwr Clover C over Clover CreekFairBuilt 1908
- Pa 764 over Mill RunGoodBuilt 1909
All bridges in Blair County
Busiest first · showing 1–200 of 338| Bridge | Location | Built | Type | Length | Daily traffic | Condition |
|---|---|---|---|---|---|---|
| SR 4010 (17th St) over Brush Run No. 000000000005837 | Altoona @ 17th St. | 1985 | Culvert | 33 ft | 25,718 | Good |
| SR 4010 (17th St) over I-99 / US 220 No. 000000000005840 | 0.1 Mi. E. of Altoona | 1992 | Stringer/Multi-beam or Girder | 248 ft | 25,718 | Good |
| SR 4010 over SR 4009_NORFOLK So. RR No. 000000000005827 | Altoona 17th.ST.BRIDGE | 1973 | Box Beam or Girders - Multiple | 243 ft | 19,273 | Fair |
| Pa 36/ Pa 164 over Everett Railroad No. 000000000005551 | Village of Mckee | 1951 | Stringer/Multi-beam or Girder | 74 ft | 18,566 | Fair |
| Pa 36 over Halter Creek No. 000000000005549 | 1 Mi.N.Of Roaring Spring | 1997 | Stringer/Multi-beam or Girder | 170 ft | 17,622 | Fair |
| Pa 36/ Pa 164 over Halter Creek No. 000000000005550 | Village of Mckee | 1951 | Stringer/Multi-beam or Girder | 125 ft | 17,622 | Fair |
| I-99 / US 220 Nbl over SR 1001/BUSINESS US 220 No. 000000000005597 | .5 Mi.S.Of Altoona | 1984 | Stringer/Multi-beam or Girder | 143 ft | 17,022 | Fair |
| I-99 / US 220 Nbl over Pa 36 No. 000000000005599 | Village of Lakemont | 1985 | Stringer/Multi-beam or Girder | 212 ft | 17,022 | Fair |
| I-99 / US 220 over Private Road No. 000000000005589 | .2 Mi.N.Of Duncansville | 1983 | Culvert | 20 ft | 16,449 | Good |
| US 22 over Blair Gap Run No. 000000000044229 | 0.56 Mile E. from SR 3012 | 2007 | Box Beam or Girders - Multiple | 70 ft | 16,252 | Good |
| I-99 / US 220 Sbl over SR 1001/BUSINESS US 220 No. 000000000005598 | .5 Mi.S.Of Altoona | 1984 | Stringer/Multi-beam or Girder | 144 ft | 15,675 | Fair |
| I-99 / US 220 Sbl over Pa 36 No. 000000000005600 | Village of Lakemont | 1985 | Box Beam or Girders - Multiple | 190 ft | 15,675 | Fair |
| Pa 36 over Halter Creek No. 000000000005547 | .25 Mi.N.Roaring Spring | 1997 | Box Beam or Girders - Multiple | 47 ft | 15,282 | Good |
| I-99 / US 220 Nbl over SR 1002 No. 000000000005592 | 1 MI W of Hollidaysburg | 1983 | Box Beam or Girders - Multiple | 164 ft | 15,108 | Fair |
| I-99 / US 220 Nbl over Norfolk Beaverdam Br Jun No. 000000000005593 | 1 MI W of Hollidaysburg | 1983 | Stringer/Multi-beam or Girder | 348 ft | 15,108 | Fair |
| I-99 / US 220 Sbl over SR 8004 (22 EB to 99 Nb) No. 000000000005591 | .5 Mi.N.Of Duncansville | 1983 | Stringer/Multi-beam or Girder | 157 ft | 15,103 | Fair |
| I-99 / US 220 Sbl over SR 1002 No. 000000000005594 | 1 Mi.W.Of Hollidaysburg | 1983 | Box Beam or Girders - Multiple | 164 ft | 15,103 | Fair |
| I-99 / US 220 Sbl over Norfolk Beaverdam Br Jun No. 000000000005596 | 1 Mi.W.Of Hollidaysburg | 1983 | Stringer/Multi-beam or Girder | 370 ft | 15,103 | Fair |
| Pa 164 over Frankstwn Br Juniata No. 000000000005617 | East Freedom | 1987 | Stringer/Multi-beam or Girder | 255 ft | 14,999 | Fair |
| CNTY105 Conv Cen B over Brush Run No. 000000000041853 | 500WEST of SR 36 | 2001 | Stringer/Multi-beam or Girder | 274 ft | 14,880 | Fair |
| SR 1001/BUS US 220 over Kettle Creek No. 000000000005675 | .25 Mi.S.Of Greenwood | 1961 | Slab | 24 ft | 14,013 | Fair |
| Pa 764 over Sugar Run No. 000000000047532 | 0.5 Mile South of Altoona | 2012 | Stringer/Multi-beam or Girder | 62 ft | 13,469 | Good |
| SR 1001 over Beavrdm.Br.Juniata River No. 000000000005664 | 1 Mi.E.Of Duncansville | 1992 | Box Beam or Girders - Multiple | 117 ft | 12,623 | Fair |
| SR 4003 over Norfolk Southern No. 000000000005802 | Altoona North Logan Blvd | 1959 | Box Beam or Girders - Multiple | 225 ft | 12,297 | Fair |
| SR 1009 over I-99 /Us 220 & Ramps No. 000000000005689 | .25 Mi.S.Of Altoona | 1985 | Box Beam or Girders - Multiple | 242 ft | 12,244 | Fair |
| Pa 36 over Brush Run No. 000000000005557 | Hollidaysburg Boro Line | 1956 | Stringer/Multi-beam or Girder | 54 ft | 11,898 | Fair |
| Pa 36 over Brush Run No. 000000000054752 | Village of Lakemont | 2017 | Box Beam or Girders - Multiple | 84 ft | 11,758 | Good |
| Pa 764 over Mill Run No. 000000000005649 | Altoona 6th.AVE 31st.ST. | 1909 | Box Beam or Girders - Multiple | 28 ft | 11,341 | Good |
| US 22 over Gillans Run No. 000000000005532 | .5 Mi.N.Of Duncansville | 1994 | Box Beam or Girders - Multiple | 27 ft | 11,107 | Good |
| SR 3013 over Blair Gap Run No. 000000000005795 | Just West of Duncansville | 1955 | Tee Beam | 66 ft | 11,038 | Fair |
| SR 3013 over Dry Run No. 000000000005794 | .25 Mi.S.Of Duncansville | 1955 | Tee Beam | 44 ft | 11,037 | Fair |
| SR 1001 / Bus 220 over Brush Run No. 000000000005672 | Vv Blvd @ 16th St-Altoona | 1961 | Box Beam or Girders - Multiple | 32 ft | 10,995 | Fair |
| I-99 / US 220 Nbl over Pa 865/SR 1008 @ Exit 41 No. 000000000005607 | 0.3 Mi. E. of Bellwood | 1992 | Stringer/Multi-beam or Girder | 97 ft | 10,787 | Good |
| I-99 / US 220 Nbl over SR 8003 @ Exit 45 No. 000000000005609 | 1.75 Mi.S.Of Tyrone | 1971 | Stringer/Multi-beam or Girder | 181 ft | 10,787 | Fair |
| I-99 and SR 8005 over SR453 & 1012 RR J. Riv No. 000000000005611 | Tyrone Viaduct | 1975 | Stringer/Multi-beam or Girder | 1,380 ft | 10,598 | Fair |
| I-99 / US 220 Sbl over Pa 865 @ Exit 41 No. 000000000005608 | 0.3MI.E.OF Bellwood | 1992 | Stringer/Multi-beam or Girder | 97 ft | 10,304 | Good |
| I-99 / US 220 Sbl over Pa 764 @ Exit 39 No. 000000000005606 | 1 MI East of Pinecroft | 1994 | Stringer/Multi-beam or Girder | 109 ft | 10,286 | Good |
| T473 N. Eighth ST over Norfolk Southern RR No. 000000000005941 | Juniata 8th.ST.BRIDGE | 1979 | Box Beam or Girders - Multiple | 263 ft | 10,200 | Poor |
| T473 N. Eighth ST over Norfolk Southern RR No. 000000000005942 | Juniata 8th.ST.BRIDGE | 1979 | Box Beam or Girders - Multiple | 400 ft | 10,200 | Poor |
| T473 N. Eighth ST over Little Juniata River No. 000000000005943 | Juniata 8th St.To SR4019 | 1979 | Box Beam or Girders - Multiple | 43 ft | 10,200 | Fair |
| SR 8004(99S > 22W) over SR 1002 No. 000000000006012 | 1 Mi.W.Of Hollidaysburg | 1983 | Stringer/Multi-beam or Girder | 196 ft | 10,178 | Fair |
| Pa 764 over Burgoon Run No. 000000000047535 | 0.2 Mile South of Altoona | 2012 | Stringer/Multi-beam or Girder | 64 ft | 10,171 | Good |
| US 22 Ebl over T-416 Carson Valley Road No. 000000000005519 | 2 MI NW of Duncansville | 1982 | Box Beam or Girders - Multiple | 172 ft | 10,073 | Fair |
| US 22 Ebl over T-406 Mill Road No. 000000000005522 | 2 Mi.W.Of Altoona | 1982 | Stringer/Multi-beam or Girder | 117 ft | 10,044 | Fair |
| US 22 Ebl over SR 8004 (22 / 764 Ramps) No. 000000000005525 | 1.5 Mi.W.Of Altoona | 1982 | Box Beam or Girders - Multiple | 150 ft | 10,044 | Fair |
| US 22 Ebl over US 22 EB & WB No. 000000000005528 | 2.5 Mi.N.Of Duncansville | 1982 | Stringer/Multi-beam or Girder | 199 ft | 10,044 | Fair |
| SR 8004(22E > 99N) over SR 1002 No. 000000000006013 | 1 Mi.W.Of Hollidaysburg | 1984 | Stringer/Multi-beam or Girder | 292 ft | 10,018 | Fair |
| US 22 Wbl over T-416 Carson Valley Road No. 000000000005521 | 2 MI NW of Duncansville | 1982 | Box Beam or Girders - Multiple | 172 ft | 9,902 | Fair |
| US 22 Wbl over T-406 Mill Road No. 000000000005524 | 2 Mi.W.Of Altoona | 1982 | Stringer/Multi-beam or Girder | 117 ft | 9,902 | Fair |
| US 22 Wbl over SR 8004 (22 / 764 Ramps) No. 000000000005529 | 1.5 Mi.W.Of Altoona | 1982 | Box Beam or Girders - Multiple | 160 ft | 9,902 | Fair |
| US 22 Wbl over US 22 E&WB;PA764 N&sb No. 000000000005531 | 2.5 Mi.N.Of Duncansville | 1982 | Stringer/Multi-beam or Girder | 218 ft | 9,902 | Fair |
| SR 4013 Nbl over Norfolk So. RR & 8th Ave No. 000000000042872 | 7th Street Bridge | 2005 | Box Beam or Girders - Multiple | 541 ft | 9,864 | Fair |
| Pa 764/BUS US 220 over Small Run No. 000000000005653 | 2 Mi.N.Of Greenwood | 1993 | Box Beam or Girders - Multiple | 35 ft | 9,538 | Good |
| Pa 764/BUS US 220 over Sandy Run No. 000000000053671 | 1 MI N of Greenwood | 2016 | Box Beam or Girders - Multiple | 80 ft | 9,538 | Good |
| SR 4003 over Mill Run No. 000000000005800 | Altoona Logan Blvd. | 1962 | Box Beam or Girders - Multiple | 70 ft | 9,532 | Fair |
| Pa 764 over Spencer Run No. 000000000005643 | 1.5 Mi.N.Of Duncansville | 1955 | Slab | 30 ft | 9,491 | Fair |
| Pa 36 over Mill Run No. 000000000005563 | Altoona | 1914 | Tee Beam | 29 ft | 9,380 | Fair |
| Pa 36 over Mill Run No. 000000000053358 | City of Altoona | 2016 | Box Beam or Girders - Multiple | 64 ft | 9,380 | Good |
| I-99 / US 220 Nbl over Pa 764/SR 1018 @ Exit 39 No. 000000000005604 | 1 MI East of Pinecroft | 1994 | Stringer/Multi-beam or Girder | 109 ft | 9,374 | Good |
| US 22 over Beaverdam Br Juniata Riv No. 000000000005536 | Hollidaysburg | 1951 | Stringer/Multi-beam or Girder | 110 ft | 8,885 | Fair |
| Pa 164 over Tr.Plum Creek No. 000000000005619 | 1.25 Mi.W.Of Martinsburg | 1966 | Box Beam or Girders - Multiple | 23 ft | 8,836 | Good |
| Pa 164 over Plum Creek No. 000000000040833 | 1.00 Mile East from Pa 36 | 2000 | Box Beam or Girders - Multiple | 69 ft | 8,836 | Good |
| SR 3013 over Poplar Run No. 000000000055782 | Newry Boro Line | 2018 | Stringer/Multi-beam or Girder | 59 ft | 8,705 | Good |
| Pa 164 over South Dry Run No. 000000000005615 | Village of East Freedom | 1957 | Tee Beam | 46 ft | 8,651 | Fair |
| I-99 / US 220 Nbl over SR 3013 No. 000000000005576 | 1 Mi.S.Of Newry | 1987 | Box Beam or Girders - Multiple | 219 ft | 8,640 | Fair |
| I-99 / US 220 Nbl over Poplar Run No. 000000000005578 | .25 Mi.S.Of Newry | 1987 | Stringer/Multi-beam or Girder | 257 ft | 8,640 | Good |
| I-99 / US 220 Nbl over T373 (catfish Road) No. 000000000005580 | Newry Borough | 1987 | Box Beam or Girders - Multiple | 138 ft | 8,640 | Fair |
| I-99 / US 220 Nbl over SR 2012 No. 000000000005582 | 1 Mi.N.Of Newry | 1984 | Box Beam or Girders - Multiple | 161 ft | 8,640 | Fair |
| I-99 / US 220 Nbl over US 22 Boro ST Abandon RR No. 000000000005584 | Duncansville | 1981 | Stringer/Multi-beam or Girder | 342 ft | 8,640 | Fair |
| I-99 / US 220 Nbl over 8th Ave Ext Blair Gap Rn No. 000000000005585 | Duncansville | 1984 | Stringer/Multi-beam or Girder | 224 ft | 8,640 | Fair |
| I-99 / US 220 Nbl over SR 8004 (22 EB to 99 Nb) No. 000000000005590 | .5 Mi.N.Of Duncansville | 1983 | Stringer/Multi-beam or Girder | 157 ft | 8,640 | Fair |
| US 22 over Canoe Creek No. 000000000057347 | At Canoe Creek | 2019 | Stringer/Multi-beam or Girder | 77 ft | 8,570 | Good |
| SR 1002 over Spencer Run No. 000000000005680 | Village of Cross Keys | 1989 | Culvert | 23 ft | 8,423 | Good |
| SR 1002 over Bvr Dam Br Juniata River No. 000000000005681 | .25 Mi.E.Of Cross Keys | 1983 | Stringer/Multi-beam or Girder | 106 ft | 8,423 | Good |
| SR 4004 over Mill Run No. 000000000005806 | Altoona 58th Street | 1949 | Tee Beam | 70 ft | 8,276 | Good |
| US 22 over Brush Run No. 000000000054639 | .25 MI E of Hollidaysburg | 2017 | Stringer/Multi-beam or Girder | 79 ft | 8,211 | Good |
| Pa 36 over 2014;NORFS;EV RR Jnta ST No. 000000000005556 | Hollidaysburg | 1966 | Box Beam or Girders - Multiple | 544 ft | 8,205 | Fair |
| Pa 865 over Little Juniata River No. 000000000005655 | 0.2MI.E.OF Bellwood | 1992 | Stringer/Multi-beam or Girder | 309 ft | 8,109 | Good |
| Pa 36 over Frankstown Br Juniata R No. 000000000046159 | 1.2 Mile South of Catfish | 2010 | Stringer/Multi-beam or Girder | 144 ft | 7,967 | Good |
| SR 4013 over Spring Run No. 000000000042004 | Altoona Juniata | 2003 | Culvert | 33 ft | 7,930 | Good |
| I-99 / US 220 Sbl over SR 3013 No. 000000000005577 | 1 Mi.S.Of Newry | 1987 | Box Beam or Girders - Multiple | 200 ft | 7,809 | Fair |
| I-99 / US 220 Sbl over Poplar Run No. 000000000005579 | .25 Mi.S.Of Newry | 1987 | Stringer/Multi-beam or Girder | 260 ft | 7,809 | Good |
| I-99 / US 220 Sbl over T373 (catfish Road) No. 000000000005581 | Newry Borough | 1987 | Box Beam or Girders - Multiple | 138 ft | 7,809 | Fair |
| I-99 / US 220 Sbl over SR 2012 No. 000000000005583 | 1 Mi.N.Of Newry | 1984 | Box Beam or Girders - Multiple | 195 ft | 7,809 | Fair |
| I-99 / US 220 Sbl over US 22 Boro ST Abandon RR No. 000000000005586 | 1.13 Mile S. from Exit 28 | 1981 | Stringer/Multi-beam or Girder | 342 ft | 7,809 | Fair |
| I-99 / US 220 Sbl over 8th Ave Ext Blair Gap Rn No. 000000000005587 | Duncansville | 1983 | Stringer/Multi-beam or Girder | 224 ft | 7,809 | Fair |
| 24 1/2 Street over Norfolk Southern RR No. 000000000005981 | 24 1/2 ST Altoona | 1990 | Box Beam or Girders - Multiple | 71 ft | 7,701 | Fair |
| Pa 453 over Little Juniata River No. 000000000005635 | .75 Mi.E.Of Tyrone | 1986 | Stringer/Multi-beam or Girder | 307 ft | 7,691 | Fair |
| Pa 36 over Poplar Run No. 000000000005554 | .25 Mi.S.Of Catfish | 1988 | Box Beam or Girders - Multiple | 103 ft | 7,655 | Good |
| Pa 36 over Halter Creek No. 000000000046080 | 1.5 Mile North of Mckee | 2010 | Box Beam or Girders - Multiple | 41 ft | 7,655 | Good |
| SR 1001/BUS US 220 over Little Juniata River No. 000000000048898 | 1 MI S of Bellwood | 2014 | Stringer/Multi-beam or Girder | 132 ft | 7,621 | Good |
| SR 4016 over Kettle Creek No. 000000000005855 | Village of Greenwood | 1952 | Slab | 32 ft | 7,572 | Fair |
| SR 8025 @ Exit 23 over I-99 / US 220 No. 000000000006026 | 2 Mi.S.Of Newry | 1987 | Box Beam or Girders - Multiple | 291 ft | 7,461 | Fair |
| Pa 453 over Bald Eagle Creek No. 000000000005637 | Tyrone Borough | 1973 | Box Beam or Girders - Multiple | 70 ft | 7,202 | Good |
| SR 4009 (sbl) over Pa 36 (union Ave) No. 000000000005816 | Altoona 10th & Union Ave. | 1975 | Box Beam or Girders - Multiple | 63 ft | 7,174 | Fair |
| SR 4003 Broad Ave over Mill Run No. 000000000046153 | Altoona Broad Avenue | 2010 | Box Beam or Girders - Multiple | 32 ft | 7,173 | Good |
| SR 4013 (sbl) over SR4009 8th Ave Norfolk S No. 000000000005845 | Altoona 8th St.Bridge | 1973 | Box Beam or Girders - Multiple | 802 ft | 7,141 | Fair |
| Allegheny Street over Beaverdam Br.Juniata Riv No. 000000000005998 | Hollidaysburg Borough | 1911 | Arch - Deck | 75 ft | 7,061 | Fair |
| SR 1021 over Brush Run No. 000000000045616 | Lakemont | 2009 | Box Beam or Girders - Multiple | 94 ft | 7,051 | Good |
| SR 3013 over South Poplar Run No. 000000000005786 | 0.25 MI N of Claysburg | 1957 | Tee Beam | 50 ft | 6,962 | Good |
| I-99 / US 220 Nbl over SR 4041 No. 000000000044178 | 0.7 MI S of Bald Eagle | 2006 | Stringer/Multi-beam or Girder | 131 ft | 6,883 | Good |
| I-99 / US 220 Nbl over SR 0350 No. 000000000044180 | 1.07 MI North of Exit 52 | 2006 | Stringer/Multi-beam or Girder | 283 ft | 6,883 | Good |
| SR 4041 over Bald Eagle Creek No. 000000000006019 | .6 Mi.S.Of Bald Eagle | 1973 | Stringer/Multi-beam or Girder | 273 ft | 6,649 | Fair |
| SR 4041 over Nittany & Bald Eagle RR No. 000000000006020 | .5 Mi.S.Of Bald Eagle | 1973 | Box Beam or Girders - Multiple | 168 ft | 6,649 | Fair |
| I-99 / US 220 Sbl over SR 4041 No. 000000000044179 | 0.7 Mi. S. of Bald Eagle | 2006 | Stringer/Multi-beam or Girder | 150 ft | 6,583 | Good |
| I-99 / US 220 Sbl over SR 0350 No. 000000000044181 | 1.07 MI North of Exit 52 | 2006 | Stringer/Multi-beam or Girder | 246 ft | 6,583 | Good |
| I-99 / US 220 Nbl over T349 No. 000000000005568 | 1 Mi.S.Of East Freedom | 1988 | Stringer/Multi-beam or Girder | 131 ft | 6,421 | Fair |
| I-99 / US 220 Nbl over SR 3013 C-101 RR Jun Riv No. 000000000005569 | .5 Mi.S.Of East Freedom | 1986 | Stringer/Multi-beam or Girder | 761 ft | 6,421 | Fair |
| I-99 / US 220 Nbl over Pa 164 & South Dry Run No. 000000000005573 | East Freedom | 1987 | Stringer/Multi-beam or Girder | 207 ft | 6,421 | Fair |
| SR 4027/BUS US 220 over Schell Run No. 000000000005874 | 0.8 Mile South of TR 453 | 1974 | Culvert | 20 ft | 6,262 | Good |
| SR 4027 over Hutchinson Run No. 000000000069424 | 1.2 Miles South of SR 453 | 2022 | Box Beam or Girders - Multiple | 42 ft | 6,262 | Good |
| I-99 / US 220 Sbl over T349 No. 000000000005570 | 1 Mi.S.Of East Freedom | 1988 | Stringer/Multi-beam or Girder | 138 ft | 6,208 | Fair |
| I-99 / US 220 Sbl over SR 3013 C-101 RR Jun.Riv No. 000000000005571 | 0.5MI.S.OF East Freedom | 1986 | Stringer/Multi-beam or Girder | 761 ft | 6,208 | Fair |
| I-99 / US 220 Sbl over Pa 164 & South Dry Run No. 000000000005574 | East Freedom | 1987 | Stringer/Multi-beam or Girder | 207 ft | 6,208 | Fair |
| Pa 764/BUS US 220 over Small Run No. 000000000005654 | 2MI N of Greenwood | 1993 | Box Beam or Girders - Multiple | 37 ft | 6,186 | Good |
| Pa 453 over SR 1015 & L. Juniata Riv No. 000000000005634 | 1.25 Mi.E.Of Tyrone | 1937 | Tee Beam | 248 ft | 6,118 | Fair |
| SR 3013 over Beaverdam Creek No. 000000000005784 | .5 Mi.N.Of Sproul | 1957 | Tee Beam | 84 ft | 6,091 | Fair |
| SR 3013 over Pine Run No. 000000000005785 | .75 Mi.N.Of Sproul | 1957 | Tee Beam | 29 ft | 6,091 | Good |
| Pa 36 over Beaverdam Br.Juniata R. No. 000000000005555 | Hollidaysburg | 1966 | Box Beam or Girders - Multiple | 127 ft | 5,773 | Fair |
| Pa 453 over Sinking Run No. 000000000005632 | 4 Mi.E.Of Tyrone | 1962 | Culvert | 42 ft | 5,764 | Fair |
| Pa 453 over RR T-601 Little Juniata No. 000000000005633 | 3.76 Mile North of Pa 45 | 1962 | Girder and Floorbeam System | 467 ft | 5,764 | Good |
| SR 3013 over Polecat Run No. 000000000005788 | 2.25 Mi.N.Of Claysburg | 1957 | Tee Beam | 27 ft | 5,701 | Fair |
| 25th Avenue over Spring Run No. 000000000005982 | 25th Ave Wehnwood | 1961 | Box Beam or Girders - Multiple | 33 ft | 5,701 | Poor |
| SR 4027/BUS US 220 over Mcfarlands Run No. 000000000005871 | 0.7 Mile South of SR 4025 | 1971 | Box Beam or Girders - Multiple | 57 ft | 5,670 | Fair |
| SR 4027/BUS US 220 over Norfolk Southern RR No. 000000000005872 | 0.4 Mile South of SR 4025 | 1939 | Truss - Thru | 236 ft | 5,670 | Fair |
| 58th Street over Burgoon Run No. 000000000005986 | 58th.ST. & Kissel Ave. | 1994 | Culvert | 55 ft | 5,566 | Fair |
| 31st Street over Mill Run Creek No. 000000000005984 | 31st.STREET Altoona | 1995 | Culvert | 37 ft | 5,432 | Fair |
| SR 3012 over Blair Gap Run No. 000000000005779 | Mule Shoe Station | 1930 | Culvert | 83 ft | 5,343 | Fair |
| I-99 / US 220 Sbl over SR 8003 @ Exit 45 No. 000000000005610 | 1.75 Mi.S.Of Tyrone | 1971 | Stringer/Multi-beam or Girder | 185 ft | 5,299 | Fair |
| SR 8005 @ Exit 48 over SR1012 Norfolk L.Jun.Riv No. 000000000006017 | Tyrone Borough | 1975 | Stringer/Multi-beam or Girder | 1,231 ft | 5,140 | Fair |
| SR 4003 over Mill Run No. 000000000005803 | Altoona Beale Av 31st.ST. | 1958 | Box Beam or Girders - Multiple | 33 ft | 5,124 | Fair |
| 37th Street over Norfolk Southern RR No. 000000000005985 | 37 TH ST Altoona | 1985 | Box Beam or Girders - Multiple | 204 ft | 4,878 | Fair |
| SR 1001/BUS US 220 over Little Juniata River No. 000000000047600 | 0.25 Mile South of Tipton | 2012 | Stringer/Multi-beam or Girder | 192 ft | 4,843 | Good |
| SR 1001/BUS US 220 over Little Juniata River No. 000000000048224 | 0.5 MI North of Bellwood | 2013 | Stringer/Multi-beam or Girder | 150 ft | 4,843 | Good |
| 29th Street over Norfolk Southern No. 000000000005983 | 29th St.@ Beale Avenue | 1990 | Box Beam or Girders - Multiple | 34 ft | 4,698 | Fair |
| Pa 865 over Norfolk Stn RR Main ST No. 000000000041625 | Bellwood Boro | 2002 | Box Beam or Girders - Multiple | 373 ft | 4,697 | Fair |
| SR 8004 (ramp Bc) over Pa 764 No. 000000000006011 | 2.8 Mi.N.Of Duncansville | 1983 | Stringer/Multi-beam or Girder | 180 ft | 4,255 | Fair |
| SR 8005 @ Exit 48 over SR1012;NORFOLK;L.JUN.RIV No. 000000000006016 | Tyrone Borough | 1975 | Stringer/Multi-beam or Girder | 887 ft | 3,935 | Fair |
| SR 4004 over Burgoon Run No. 000000000005805 | 0.12 Mile East from Pa 76 | 1940 | Stringer/Multi-beam or Girder | 50 ft | 3,921 | Good |
| Pa 164 over Clover Creek No. 000000000048354 | Fredricksburg | 2013 | Box Beam or Girders - Multiple | 63 ft | 3,822 | Good |
| SR 2014 over Beaverdam Br Juniata R. No. 000000000005738 | Hollidaysburg | 1953 | Stringer/Multi-beam or Girder | 151 ft | 3,727 | Fair |
| SR 4017 over Spring Run No. 000000000005857 | Juniata Gap | 1961 | Slab | 29 ft | 3,540 | Fair |
| Pa 764 & Turn Lane over Kettle Creek No. 000000000044225 | Greenwood | 2007 | Culvert | 25 ft | 3,533 | Good |
| SR 2007 over Frnkstn Br Juniata River No. 000000000054750 | Village of Frankstown | 2017 | Stringer/Multi-beam or Girder | 184 ft | 3,497 | Good |
| Pennsylvania Ave over Little Juniata River No. 000000000006002 | Borough of Tyrone | 1898 | Stringer/Multi-beam or Girder | 113 ft | 3,406 | Fair |
| CR-101 Bedford ST over South Poplar Run No. 000000000005932 | Claysburg | 1913 | Arch - Deck | 62 ft | 3,392 | Fair |
| SR 8004(99N > 22W) over I-99 / US 220 No. 000000000006014 | 1 Mi.W.Of Hollidaysburg | 1983 | Stringer/Multi-beam or Girder | 227 ft | 3,225 | Fair |
| SR 4029 over Sink Run No. 000000000068440 | 290 Ft South of SR 453 | 2021 | Culvert | 24 ft | 3,209 | Good |
| Oak Avenue over Burgoon Run No. 000000000005989 | Oak Ave.@ 58th ST Altoona | 1993 | Box Beam or Girders - Multiple | 52 ft | 3,153 | Fair |
| T424 Scotch Valley over Brush Run No. 000000000005905 | 1 Mi.Ne.Of Hollidaysburg | 1987 | Box Beam or Girders - Multiple | 47 ft | 3,120 | Fair |
| SR 8003 @ Exit 45 over Little Juniata River No. 000000000006007 | Grazierville Ramps | 1971 | Stringer/Multi-beam or Girder | 216 ft | 2,995 | Fair |
| SR 2015 over Frankstown Br Juniata R No. 000000000046900 | Williamsburg Boro Line | 2011 | Box Beam or Girders - Multiple | 182 ft | 2,959 | Good |
| T432 Burns Avenue over Sugar Run No. 000000000005894 | 2.5 Mi.So.Of Altoona | 1990 | Box Beam or Girders - Multiple | 42 ft | 2,838 | Good |
| SR 4015 over Homers Gap Run No. 000000000048355 | Orners Corner | 2013 | Box Beam or Girders - Multiple | 47 ft | 2,707 | Good |
| SR 4027/BUS US 220 over Bald Eagle Creek No. 000000000005879 | 1.9 Mile South of TR 350 | 1993 | Box Beam or Girders - Multiple | 94 ft | 2,701 | Fair |
| SR 4027/BUS US 220 over Bald Eagle Creek No. 000000000052785 | 0.4 Mile North of TR 453 | 2015 | Stringer/Multi-beam or Girder | 96 ft | 2,701 | Good |
| SR 4027 over Vanscoyoc Run No. 000000000053627 | 1.0 Mile South of TR 350 | 2016 | Box Beam or Girders - Multiple | 46 ft | 2,701 | Good |
| Pa 866 over Franks. Br.Juniata River No. 000000000005662 | Ganister | 1937 | Truss - Thru | 312 ft | 2,615 | Fair |
| SR 1012 over Bald Eagle Creek No. 000000000005695 | Tyrone Borough | 1933 | Girder and Floorbeam System | 74 ft | 2,544 | Poor |
| SR 4015(WOPSNK Av) over Spring Run No. 000000000068408 | 0.24 Mi. N. from SR 4017 | 2023 | Culvert | 25 ft | 2,514 | Good |
| SR 2007 over Oldtown Run No. 000000000042029 | 1 Mi. S of Frankstown | 2003 | Box Beam or Girders - Multiple | 75 ft | 2,370 | Fair |
| CO RD101 Bedfordst over Frankstown Br.Juniata R. No. 000000000005933 | Claysburg | 1993 | Box Beam or Girders - Multiple | 102 ft | 2,341 | Fair |
| SR 2014 over Beaverdam Br Juniata Riv No. 000000000046130 | Hollidaysburg Borough | 2010 | Box Beam or Girders - Multiple | 138 ft | 2,214 | Good |
| Coleridge Avenue over Mill Run Creek No. 000000000005988 | Coleridge Ave. Altoona | 1963 | Box Beam or Girders - Multiple | 70 ft | 2,200 | Fair |
| SR 4019 over Little Juniata River No. 000000000005863 | .25 Mi.W.Of Bellwood | 1966 | Stringer/Multi-beam or Girder | 140 ft | 2,187 | Fair |
| SR 4019 over Sandy Run No. 000000000052417 | Village of Pinecroft | 2015 | Box Beam or Girders - Multiple | 60 ft | 2,187 | Good |
| SR 2014 over Frankstown Br Jun River No. 000000000048977 | 1 MI E of Hollidaysburg | 2014 | Stringer/Multi-beam or Girder | 162 ft | 2,052 | Good |
| SR 1003 over Brush Run No. 000000000005682 | Hollidaysburg | 1934 | Stringer/Multi-beam or Girder | 33 ft | 2,012 | Fair |
| SR 4015 over Riggles Gap Run No. 000000000005852 | 1 Mi.Nw of Pinecroft | 1942 | Tee Beam | 39 ft | 2,010 | Fair |
| SR 2024 over I-99 / US 220 No. 000000000005754 | 1 Mi.S.Of Sproul | 1989 | Stringer/Multi-beam or Girder | 323 ft | 1,952 | Fair |
| Pa 453 over Sink Run No. 000000000005642 | Tyrone Borough | 1941 | Stringer/Multi-beam or Girder | 65 ft | 1,891 | Good |
| T-414 Maple Hollow over Gillans Run No. 000000000005892 | Maple Hollow | 1965 | Stringer/Multi-beam or Girder | 39 ft | 1,879 | Fair |
| West Chestnut Ave. over Mill Run No. 000000000005993 | W.Chestnut Ave.& 31st.STR | 1930 | Slab | 29 ft | 1,848 | Poor |
| Pa 866 over Poverty Hollow Run No. 000000000005660 | Village of Clappertown | 1950 | Culvert | 24 ft | 1,751 | Fair |
| SR 2010 over Frankstown Br Juniata R No. 000000000005731 | East Freedom | 1925 | Arch - Deck | 89 ft | 1,675 | Fair |
| SR 4008 over Glenwhite Run No. 000000000005809 | 3.5 Mi.W.Of Altoona | 1932 | Stringer/Multi-beam or Girder | 25 ft | 1,664 | Fair |
| SR 4008 over Kittanning Run No. 000000000005811 | 3 Mi.W.Of Altoona | 1991 | Box Beam or Girders - Multiple | 47 ft | 1,664 | Good |
| SR 4008 over Kittanning Run No. 000000000005813 | 2 Mi.W.Of Altoona | 1987 | Culvert | 42 ft | 1,664 | Good |
| SR 4008 over Kittanning Run No. 000000000005814 | 2 Mi.W.Of Altoona | 1987 | Culvert | 21 ft | 1,664 | Fair |
| SR 4027 over Big Fill Run No. 000000000005625 | Bald Eagle | 1913 | Arch - Deck | 40 ft | 1,645 | Fair |
| SR 4027 over California Run No. 000000000005626 | .75 Mi.N.E. of Bald Eagle | 1913 | Arch - Deck | 32 ft | 1,645 | Fair |
| SR 4027 over Bald Eagle Creek No. 000000000005627 | 2 MI NE of Bald Eagle | 1930 | Tee Beam | 51 ft | 1,645 | Fair |
| SR 4027 over Trib Big Fill Run No. 000000000053514 | Bald Eagle | 2016 | Culvert | 24 ft | 1,645 | Good |
| CO RD 101 Bedfrd S over South Dry Run No. 000000000005924 | East Freedom | 1913 | Arch - Deck | 40 ft | 1,634 | Poor |
| T424 Scotch Vly RD over Trib. to Brush Creek No. 000000000005914 | .5 Mi.N.Of Frankstown | 1982 | Slab | 25 ft | 1,600 | Fair |
| 13th Street over Gillans Run No. 000000000005996 | Duncansville 13th Street | 1925 | Other | 49 ft | 1,569 | Poor |
| Pine Avenue over Mill Run No. 000000000005991 | Pine Ave at 31st Street | 1993 | Box Beam or Girders - Multiple | 31 ft | 1,546 | Fair |
| SR 4001(WMPENN Hw) over US 22 & On/Off Ramps No. 000000000005796 | .1 Mi.S.Of Tunnel Hill | 1982 | Stringer/Multi-beam or Girder | 291 ft | 1,541 | Fair |
| SR 4018 over Norfolk Southern RR No. 000000000005858 | .8 Mi.W.Of Pinecroft | 1986 | Box Beam or Girders - Multiple | 194 ft | 1,538 | Fair |
| SR 4018 over Riggles Gap Run No. 000000000005859 | .5 Mi.W.Of Pinecroft | 1931 | Stringer/Multi-beam or Girder | 29 ft | 1,538 | Fair |
| SR 4018 over Little Juniata River No. 000000000005860 | .25 Mi.W.Of Pinecroft | 1956 | Stringer/Multi-beam or Girder | 120 ft | 1,538 | Good |
| SR 4018 over Sandy Run No. 000000000048919 | Pinecroft | 2014 | Box Beam or Girders - Multiple | 80 ft | 1,538 | Good |
| Adams Ave over Decker Run No. 000000000054099 | Tyrone Borough | 2017 | Culvert | 24 ft | 1,535 | Good |
| SR 4002 over Sugar Run No. 000000000005797 | 6 Mi.W.Of Altoona | 1932 | Stringer/Multi-beam or Girder | 29 ft | 1,533 | Fair |
| SR 4002 over Sugar Run No. 000000000048942 | 2 MI SW of Altoona | 2014 | Box Beam or Girders - Multiple | 68 ft | 1,533 | Good |
| SR 4002 over Sugar Run No. 000000000067429 | 2.9 Miles West of SR 764 | 2021 | Stringer/Multi-beam or Girder | 41 ft | 1,533 | Good |
| 16th Street over Blair Gap Run No. 000000000005997 | Duncansville 16th Street | 1925 | Tee Beam | 30 ft | 1,514 | Poor |
| SR 3003 over Poplar Run No. 000000000044154 | 1 Mile West of Newry | 2007 | Box Beam or Girders - Multiple | 82 ft | 1,507 | Good |
| 13th Street over Brush Run No. 000000000005978 | 13th ST @ Brush Run | 1975 | Box Beam or Girders - Multiple | 27 ft | 1,472 | Poor |
| Pa 164 over South Dry Run No. 000000000041558 | 1 Mi.W.Of East Freedom | 2001 | Slab | 34 ft | 1,470 | Good |
Structure types in Blair County
| Box Beam or Girders - Multiple | 139 | 41.1% |
| Stringer/Multi-beam or Girder | 106 | 31.4% |
| Culvert | 32 | 9.5% |
| Tee Beam | 20 | 5.9% |
| Slab | 18 | 5.3% |
| Arch - Deck | 11 | 3.3% |
| Other | 5 | 1.5% |
| Girder and Floorbeam System | 4 | 1.2% |
| Truss - Thru | 3 | 0.9% |
Other counties in Pennsylvania
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