US Bridges

SR 0065 NB over SR 65 SB Various ST Ally

Fair

Allegheny County, Pennsylvania · Fort Duquesne Bridge · Structure no. 000000000000801

Built
1968
57 years old, rebuilt 1988
Condition
Fair
inspected March 2024
Type
Box Beam or Girders - Multiple
Steel Continuous
Length
1,293 ft
13 main spans
Daily traffic
25,881
2024 count
Owner
State
State Highway Agency

About this bridge

SR 0065 NB over SR 65 SB Various ST Ally is a steel continuous box beam or girders - multiple carrying SR 0065 NB over SR 65 SB Various ST Ally in Allegheny County, Pennsylvania. It was built in 1968 and reconstructed in 1988, so it is 57 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 25,881 vehicles a day, roughly 7% of them trucks, projected to reach 21,872 by 2032. The structure is 1,293 ft (394.1 m) long and 36 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesSR 0065 NB
CrossesSR 65 SB Various ST Ally
LocationFort Duquesne Bridge
RouteState Highway 65
CountyAllegheny County
StatePennsylvania
Coordinates40.44701, -80.01007
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
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
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41 US tons
Inventory rating24 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans13
Design loadHS 20
Structure length1,293 ft (394.1 m)
Longest span107 ft (32.6 m)
Deck width36 ft (11.1 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25,881 (2024)
Projected traffic21,872 by 2032
Trucks7%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$9.8 million
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 0065 NB over SR 65 SB Various ST Ally built?

It was built in 1968, making it 57 years old in 2025. It was reconstructed in 1988.

What condition is SR 0065 NB over SR 65 SB Various ST Ally 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 March 2024.

How much traffic does SR 0065 NB over SR 65 SB Various ST Ally carry?

About 25,881 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is SR 0065 NB over SR 65 SB Various ST Ally?

The structure is 1,293 ft (394.1 m) long with a longest span of 107 ft (32.6 m) and a deck 36 ft wide.

Who owns SR 0065 NB over SR 65 SB Various ST Ally?

It is owned by the State Highway Agency.