US Bridges

Rt 0022 EB WB over SR 0978

Fair

Allegheny County, Pennsylvania · Over US 30 & TR 978 · Structure no. 000000000000550

Built
1966
59 years old, rebuilt 2002
Condition
Fair
inspected October 2022
Type
Stringer/Multi-beam or Girder
Steel
Length
160 ft
1 main span
Daily traffic
24,322
2024 count
Owner
State
State Highway Agency

About this bridge

Rt 0022 EB WB over SR 0978 is a steel stringer/multi-beam or girder carrying Rt 0022 EB WB over SR 0978 in Allegheny County, Pennsylvania. It was built in 1966 and reconstructed in 2002, so it is 59 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 6 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 24,322 vehicles a day, roughly 14% of them trucks, projected to reach 24,650 by 2032. The structure is 160 ft (48.8 m) long and 96 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesRt 0022 EB WB
CrossesSR 0978
LocationOver US 30 & TR 978
RouteU.S. Route 22
CountyAllegheny County
StatePennsylvania
Coordinates40.43929, -80.2376
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating59 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHS 20
Structure length160 ft (48.8 m)
Longest span85 ft (25.9 m)
Deck width96 ft (29.3 m)
Roadway width90 ft (27.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24,322 (2024)
Projected traffic24,650 by 2032
Trucks14%
Lanes on structure5
Traffic directionTwo-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$339,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Rt 0022 EB WB over SR 0978 built?

It was built in 1966, making it 59 years old in 2025. It was reconstructed in 2002.

What condition is Rt 0022 EB WB over SR 0978 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 October 2022.

How much traffic does Rt 0022 EB WB over SR 0978 carry?

About 24,322 vehicles per day (2024 count), of which roughly 14% are trucks.

How long is Rt 0022 EB WB over SR 0978?

The structure is 160 ft (48.8 m) long with a longest span of 85 ft (25.9 m) and a deck 96 ft wide.

Who owns Rt 0022 EB WB over SR 0978?

It is owned by the State Highway Agency.