US Bridges

Wood ST over I-376 WB (parkway East)

Fair

Allegheny County, Pennsylvania · 120 Wood Street Bridge · Structure no. 000000000002463

Built
1939
86 years old, rebuilt 2002
Condition
Fair
inspected December 2022
Type
Girder and Floorbeam System
Steel
Length
70 ft
1 main span
Daily traffic
5,000
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Wood ST over I-376 WB (parkway East) is a steel girder and floorbeam system carrying Wood ST over I-376 WB (parkway East) in Allegheny County, Pennsylvania. It was built in 1939 and reconstructed in 2002, so it is 86 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 5,000 vehicles a day, roughly 6% of them trucks, projected to reach 5,000 by 2037. The structure is 70 ft (21.3 m) long and 95 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesWood ST
CrossesI-376 WB (parkway East)
Location120 Wood Street Bridge
RouteCity Street 0
CountyAllegheny County
StatePennsylvania
Coordinates40.4373, -80.00269
Functional classUrban Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56 US tons
Inventory rating33 US tons

Structure

Structure typeGirder and Floorbeam System
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length70 ft (21.3 m)
Longest span67 ft (20.4 m)
Deck width95 ft (29 m)
Roadway width58 ft (17.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,000 (2020)
Projected traffic5,000 by 2037
Trucks6%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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$588,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Wood ST over I-376 WB (parkway East) built?

It was built in 1939, making it 86 years old in 2025. It was reconstructed in 2002.

What condition is Wood ST over I-376 WB (parkway East) 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 December 2022.

How much traffic does Wood ST over I-376 WB (parkway East) carry?

About 5,000 vehicles per day (2020 count), of which roughly 6% are trucks.

How long is Wood ST over I-376 WB (parkway East)?

The structure is 70 ft (21.3 m) long with a longest span of 67 ft (20.4 m) and a deck 95 ft wide.

Who owns Wood ST over I-376 WB (parkway East)?

It is owned by the City or Municipal Highway Agency.