US Bridges

Gibsonia RD over Branch of Deer Creek

Fair

Allegheny County, Pennsylvania · 200 South of SR 1024 · Structure no. 000000000001338

Built
1960
65 years old, rebuilt 2010
Condition
Fair
inspected October 2023
Type
Slab
Concrete
Length
22 ft
1 main span
Daily traffic
4,325
2024 count
Owner
State
State Highway Agency

About this bridge

Gibsonia RD over Branch of Deer Creek is a concrete slab carrying Gibsonia RD over Branch of Deer Creek in Allegheny County, Pennsylvania. It was built in 1960 and reconstructed in 2010, so it is 65 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 4,325 vehicles a day, roughly 6% of them trucks, projected to reach 5,830 by 2032. The structure is 22 ft (6.7 m) long and 37 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesGibsonia RD
CrossesBranch of Deer Creek
Location200 South of SR 1024
RouteState Highway 910
CountyAllegheny County
StatePennsylvania
Coordinates40.61097, -79.89455
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating84 US tons
Inventory rating50 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length22 ft (6.7 m)
Longest span18 ft (5.5 m)
Deck width37 ft (11.4 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,325 (2024)
Projected traffic5,830 by 2032
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$174,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Gibsonia RD over Branch of Deer Creek built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 2010.

What condition is Gibsonia RD over Branch of Deer Creek 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 2023.

How much traffic does Gibsonia RD over Branch of Deer Creek carry?

About 4,325 vehicles per day (2024 count), of which roughly 6% are trucks.

How long is Gibsonia RD over Branch of Deer Creek?

The structure is 22 ft (6.7 m) long with a longest span of 18 ft (5.5 m) and a deck 37 ft wide.

Who owns Gibsonia RD over Branch of Deer Creek?

It is owned by the State Highway Agency.