US Bridges

Douglass Run RD over Douglas Run

Fair

Allegheny County, Pennsylvania · Near Westmoreland Co. · Structure no. 000000000001525

Built
1986
39 years old
Condition
Fair
inspected January 2024
Type
Culvert
Steel
Length
39 ft
1 main span
Daily traffic
4,488
2024 count
Owner
State
State Highway Agency

About this bridge

Douglass Run RD over Douglas Run is a steel culvert carrying Douglass Run RD over Douglas Run in Allegheny County, Pennsylvania. It was built in 1986, so it is 39 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 5 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 4,488 vehicles a day, roughly 16% of them trucks, projected to reach 5,184 by 2032. The structure is 39 ft (11.9 m) long. If it were closed, the detour would be 24.9 mi (40 km).

Location

Open in Google Maps
CarriesDouglass Run RD
CrossesDouglas Run
LocationNear Westmoreland Co.
RouteState Highway 0
CountyAllegheny County
StatePennsylvania
Coordinates40.24237, -79.80631
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans1
Design loadHS 20
Structure length39 ft (11.9 m)
Longest span39 ft (11.9 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,488 (2024)
Projected traffic5,184 by 2032
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.9 mi (40 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Douglass Run RD over Douglas Run built?

It was built in 1986, making it 39 years old in 2025.

What condition is Douglass Run RD over Douglas Run 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 January 2024.

How much traffic does Douglass Run RD over Douglas Run carry?

About 4,488 vehicles per day (2024 count), of which roughly 16% are trucks.

How long is Douglass Run RD over Douglas Run?

The structure is 39 ft (11.9 m) long with a longest span of 39 ft (11.9 m).

Who owns Douglass Run RD over Douglas Run?

It is owned by the State Highway Agency.