US Bridges

Bowman Av over 1066 Ramp G-E Cliff ST

Fair

Allegheny County, Pennsylvania · @ S.End of Mcksprt-Duq Br · Structure no. 000000000001667

Built
1973
52 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
374 ft
1 main span
Daily traffic
1,887
2024 count
Owner
State
State Highway Agency

About this bridge

Bowman Av over 1066 Ramp G-E Cliff ST is a steel stringer/multi-beam or girder carrying Bowman Av over 1066 Ramp G-E Cliff ST in Allegheny County, Pennsylvania. It was built in 1973, so it is 52 years old, younger 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 1,887 vehicles a day, roughly 12% of them trucks, projected to reach 8,519 by 2032. The structure is 374 ft (114 m) long and 29 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesBowman Av
Crosses1066 Ramp G-E Cliff ST
Location@ S.End of Mcksprt-Duq Br
RouteState Highway 0
CountyAllegheny County
StatePennsylvania
Coordinates40.35415, -79.84218
Functional classUrban Minor 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating64 US tons
Inventory rating38 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+4 approach)
Design loadHS 20
Structure length374 ft (114 m)
Longest span109 ft (33.2 m)
Deck width29 ft (8.8 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,887 (2024)
Projected traffic8,519 by 2032
Trucks12%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

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$224,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Bowman Av over 1066 Ramp G-E Cliff ST built?

It was built in 1973, making it 52 years old in 2025.

What condition is Bowman Av over 1066 Ramp G-E Cliff ST 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 July 2024.

How much traffic does Bowman Av over 1066 Ramp G-E Cliff ST carry?

About 1,887 vehicles per day (2024 count), of which roughly 12% are trucks.

How long is Bowman Av over 1066 Ramp G-E Cliff ST?

The structure is 374 ft (114 m) long with a longest span of 109 ft (33.2 m) and a deck 29 ft wide.

Who owns Bowman Av over 1066 Ramp G-E Cliff ST?

It is owned by the State Highway Agency.