US Bridges

SR 0982 over Ninemile Run

Good

Westmoreland County, Pennsylvania · Unity Township · Structure no. 000000000036332

Built
1955
70 years old, rebuilt 2018
Condition
Good
inspected July 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
46 ft
1 main span
Daily traffic
2,834
2023 count
Owner
State
State Highway Agency

About this bridge

SR 0982 over Ninemile Run is a prestressed concrete box beam or girders - multiple carrying SR 0982 over Ninemile Run in Westmoreland County, Pennsylvania. It was built in 1955 and reconstructed in 2018, so it is 70 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 2,834 vehicles a day, roughly 15% of them trucks, projected to reach 3,590 by 2032. The structure is 46 ft (14 m) long and 34 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Location

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CarriesSR 0982
CrossesNinemile Run
LocationUnity Township
RouteState Highway 982
CountyWestmoreland County
StatePennsylvania
Coordinates40.2618, -79.38326
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56.8 US tons
Inventory rating40.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length46 ft (14 m)
Longest span45 ft (13.7 m)
Deck width34 ft (10.5 m)
Roadway width32 ft (9.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,834 (2023)
Projected traffic3,590 by 2032
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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$241,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 0982 over Ninemile Run built?

It was built in 1955, making it 70 years old in 2025. It was reconstructed in 2018.

What condition is SR 0982 over Ninemile 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 July 2023.

How much traffic does SR 0982 over Ninemile Run carry?

About 2,834 vehicles per day (2023 count), of which roughly 15% are trucks.

How long is SR 0982 over Ninemile Run?

The structure is 46 ft (14 m) long with a longest span of 45 ft (13.7 m) and a deck 34 ft wide.

Who owns SR 0982 over Ninemile Run?

It is owned by the State Highway Agency.