US Bridges

Bl of the Allies over Forbes Av Maurice ST

Good

Allegheny County, Pennsylvania · 1 Mile E of Birmingham Br · Structure no. 000000000045203

Built
2008
17 years old
Condition
Good
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
310 ft
2 main spans
Daily traffic
14,321
2024 count
Owner
State
State Highway Agency

About this bridge

Bl of the Allies over Forbes Av Maurice ST is a steel continuous stringer/multi-beam or girder carrying Bl of the Allies over Forbes Av Maurice ST in Allegheny County, Pennsylvania. It was built in 2008, so it is 17 years old, younger than the Pennsylvania average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 14,321 vehicles a day, roughly 4% of them trucks, projected to reach 16,366 by 2032. The structure is 310 ft (94.5 m) long and 57 ft wide.

CarriesBl of the Allies
CrossesForbes Av Maurice ST
Location1 Mile E of Birmingham Br
RouteState Highway 885
Coordinates40.43593, -79.96483
Functional classUrban Other Principal Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74 US tons
Inventory rating44 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length310 ft (94.5 m)
Longest span167 ft (50.9 m)
Deck width57 ft (17.4 m)
Roadway width57 ft (17.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,321 (2024)
Projected traffic16,366 by 2032
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed—
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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Bl of the Allies over Forbes Av Maurice ST built?

It was built in 2008, making it 17 years old in 2025.

What condition is Bl of the Allies over Forbes Av Maurice ST in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2023.

How much traffic does Bl of the Allies over Forbes Av Maurice ST carry?

About 14,321 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is Bl of the Allies over Forbes Av Maurice ST?

The structure is 310 ft (94.5 m) long with a longest span of 167 ft (50.9 m) and a deck 57 ft wide.

Who owns Bl of the Allies over Forbes Av Maurice ST?

It is owned by the State Highway Agency.