US Bridges

Oak RD over Dawson Run

Good

Allegheny County, Pennsylvania · 1/2 Mile FR TR 910 · Structure no. 000000000047436

Built
2012
13 years old
Condition
Good
inspected January 2023
Type
Culvert
Concrete
Length
23 ft
1 main span
Daily traffic
5,314
2024 count
Owner
State
State Highway Agency

About this bridge

Oak RD over Dawson Run is a concrete culvert carrying Oak RD over Dawson Run in Allegheny County, Pennsylvania. It was built in 2012, so it is 13 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 5,314 vehicles a day, roughly 5% of them trucks, projected to reach 5,661 by 2032. The structure is 23 ft (7 m) long. If it were closed, the detour would be 3.7 mi (6 km).

CarriesOak RD
CrossesDawson Run
Location1/2 Mile FR TR 910
RouteState Highway 0
Coordinates40.62472, -79.89833
Functional classUrban Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.1 US tons
Inventory rating50 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHL 93
Structure length23 ft (7 m)
Longest span23 ft (7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,314 (2024)
Projected traffic5,661 by 2032
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Oak RD over Dawson Run built?

It was built in 2012, making it 13 years old in 2025.

What condition is Oak RD over Dawson Run 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 January 2023.

How much traffic does Oak RD over Dawson Run carry?

About 5,314 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Oak RD over Dawson Run?

The structure is 23 ft (7 m) long with a longest span of 23 ft (7 m).

Who owns Oak RD over Dawson Run?

It is owned by the State Highway Agency.