US Bridges

SR 0981 over Monastery Run

Poor

Westmoreland County, Pennsylvania · Unity Township · Structure no. 000000000036311

Built
1953
72 years old
Condition
Poor
inspected July 2023
Type
Tee Beam
Concrete
Length
49 ft
1 main span
Daily traffic
10,217
2024 count
Owner
State
State Highway Agency

About this bridge

SR 0981 over Monastery Run is a concrete tee beam carrying SR 0981 over Monastery Run in Westmoreland County, Pennsylvania. It was built in 1953, so it is 72 years old, older than the Pennsylvania average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 10,217 vehicles a day, roughly 7% of them trucks, projected to reach 14,512 by 2032. The structure is 49 ft (14.9 m) long and 44 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

CarriesSR 0981
CrossesMonastery Run
LocationUnity Township
RouteState Highway 981
Coordinates40.30468, -79.39385
Functional classUrban Minor Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45 US tons
Inventory rating27 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length49 ft (14.9 m)
Longest span48 ft (14.6 m)
Deck width44 ft (13.4 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,217 (2024)
Projected traffic14,512 by 2032
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.3 mi (23 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$403,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 0981 over Monastery Run built?

It was built in 1953, making it 72 years old in 2025.

What condition is SR 0981 over Monastery Run in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in July 2023.

How much traffic does SR 0981 over Monastery Run carry?

About 10,217 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is SR 0981 over Monastery Run?

The structure is 49 ft (14.9 m) long with a longest span of 48 ft (14.6 m) and a deck 44 ft wide.

Who owns SR 0981 over Monastery Run?

It is owned by the State Highway Agency.