US Bridges

SR 837 SB over Rps. C&d Rp.Carson Local

Good

Allegheny County, Pennsylvania · Homestead Interchange · Structure no. 000000000001286

Built
1966
59 years old, rebuilt 2017
Condition
Good
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
819 ft
12 main spans
Daily traffic
9,702
2024 count
Owner
State
State Highway Agency

About this bridge

SR 837 SB over Rps. C&d Rp.Carson Local is a steel stringer/multi-beam or girder carrying SR 837 SB over Rps. C&d Rp.Carson Local in Allegheny County, Pennsylvania. It was built in 1966 and reconstructed in 2017, 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 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 9,702 vehicles a day, roughly 11% of them trucks, projected to reach 10,583 by 2032. The structure is 819 ft (249.6 m) long and 30 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesSR 837 SB
CrossesRps. C&d Rp.Carson Local
LocationHomestead Interchange
RouteState Highway 837
CountyAllegheny County
StatePennsylvania
Coordinates40.40517, -79.88534
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment6: Equal to present minimum criteria
Operating rating56.1 US tons
Inventory rating43.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans12
Design loadHL 93
Structure length819 ft (249.6 m)
Longest span85 ft (25.9 m)
Deck width30 ft (9.1 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,702 (2024)
Projected traffic10,583 by 2032
Trucks11%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed5 mi (8 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$3.7 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR 837 SB over Rps. C&d Rp.Carson Local built?

It was built in 1966, making it 59 years old in 2025. It was reconstructed in 2017.

What condition is SR 837 SB over Rps. C&d Rp.Carson Local 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 2024.

How much traffic does SR 837 SB over Rps. C&d Rp.Carson Local carry?

About 9,702 vehicles per day (2024 count), of which roughly 11% are trucks.

How long is SR 837 SB over Rps. C&d Rp.Carson Local?

The structure is 819 ft (249.6 m) long with a longest span of 85 ft (25.9 m) and a deck 30 ft wide.

Who owns SR 837 SB over Rps. C&d Rp.Carson Local?

It is owned by the State Highway Agency.