US Bridges

Pa 271 Maple Ave over L.Conema.Riv;norfolk Sth

Fair

Cambria County, Pennsylvania · 0.7 Mile South of SR 3029 · Structure no. 000000000008504

Built
1958
67 years old, rebuilt 2013
Condition
Fair
inspected April 2024
Type
Truss - Thru
Steel
Length
934 ft
2 main spans
Daily traffic
3,455
2024 count
Owner
Railroad
Railroad

About this bridge

Pa 271 Maple Ave over L.Conema.Riv;norfolk Sth is a steel truss - thru carrying Pa 271 Maple Ave over L.Conema.Riv;norfolk Sth in Cambria County, Pennsylvania. It was built in 1958 and reconstructed in 2013, so it is 67 years old, older than the Pennsylvania average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 3,455 vehicles a day, roughly 6% of them trucks, projected to reach 4,546 by 2032. The structure is 934 ft (284.7 m) long and 44 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

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CarriesPa 271 Maple Ave
CrossesL.Conema.Riv;norfolk Sth
Location0.7 Mile South of SR 3029
RouteState Highway 271
CountyCambria County
StatePennsylvania
Coordinates40.33865, -78.89412
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51 US tons
Inventory rating30 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckClosed grating
Main spans2 (+3 approach)
Design loadHS 20
Structure length934 ft (284.7 m)
Longest span480 ft (146.3 m)
Deck width44 ft (13.4 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deck14 ft (4.3 m)

Traffic and service

Average daily traffic3,455 (2024)
Projected traffic4,546 by 2032
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad and waterway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerRailroad
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$12.2 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Pa 271 Maple Ave over L.Conema.Riv;norfolk Sth built?

It was built in 1958, making it 67 years old in 2025. It was reconstructed in 2013.

What condition is Pa 271 Maple Ave over L.Conema.Riv;norfolk Sth in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in April 2024.

How much traffic does Pa 271 Maple Ave over L.Conema.Riv;norfolk Sth carry?

About 3,455 vehicles per day (2024 count), of which roughly 6% are trucks.

How long is Pa 271 Maple Ave over L.Conema.Riv;norfolk Sth?

The structure is 934 ft (284.7 m) long with a longest span of 480 ft (146.3 m) and a deck 44 ft wide.

Who owns Pa 271 Maple Ave over L.Conema.Riv;norfolk Sth?

It is owned by the Railroad and maintained by the State Highway Agency.