US Bridges

SR 0156 over Kiskiminetas River

Fair

Westmoreland County, Pennsylvania · Avonmore Bridge · Structure no. 000000000036137

Built
1937
88 years old, rebuilt 1985
Condition
Fair
inspected May 2023
Type
Truss - Thru
Steel
Length
571 ft
3 main spans
Daily traffic
643
2024 count
Owner
State
State Highway Agency

About this bridge

SR 0156 over Kiskiminetas River is a steel truss - thru carrying SR 0156 over Kiskiminetas River in Westmoreland County, Pennsylvania. It was built in 1937 and reconstructed in 1985, so it is 88 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 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 643 vehicles a day, roughly 16% of them trucks, projected to reach 1,293 by 2032. The structure is 571 ft (174 m) long and 27 ft wide. If it were closed, the detour would be 24.2 mi (39 km).

Location

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CarriesSR 0156
CrossesKiskiminetas River
LocationAvonmore Bridge
RouteState Highway 156
CountyWestmoreland County
StatePennsylvania
Coordinates40.53328, -79.46551
Functional classRural 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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
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
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating59 US tons
Inventory rating34 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckOpen grating
Main spans3 (+1 approach)
Design loadHS 20
Structure length571 ft (174 m)
Longest span218 ft (66.4 m)
Deck width27 ft (8.3 m)
Roadway width19 ft (5.8 m)
Vertical clearance over deck16 ft (5 m)

Traffic and service

Average daily traffic643 (2024)
Projected traffic1,293 by 2032
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed24.2 mi (39 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$889,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 0156 over Kiskiminetas River built?

It was built in 1937, making it 88 years old in 2025. It was reconstructed in 1985.

What condition is SR 0156 over Kiskiminetas River 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 May 2023.

How much traffic does SR 0156 over Kiskiminetas River carry?

About 643 vehicles per day (2024 count), of which roughly 16% are trucks.

How long is SR 0156 over Kiskiminetas River?

The structure is 571 ft (174 m) long with a longest span of 218 ft (66.4 m) and a deck 27 ft wide.

Who owns SR 0156 over Kiskiminetas River?

It is owned by the State Highway Agency.