US Bridges

Pa 31 (lr 49) over Ptc B-481 MP 114.55

Fair

Somerset County, Pennsylvania · Near SR 31 & SR 1001 JCT · Structure no. 000000000041384

Built
2001
24 years old
Condition
Fair
inspected September 2022
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
347 ft
2 main spans
Daily traffic
2,098
2024 count
Owner
State
State Highway Agency

About this bridge

Pa 31 (lr 49) over Ptc B-481 MP 114.55 is a steel continuous stringer/multi-beam or girder carrying Pa 31 (lr 49) over Ptc B-481 MP 114.55 in Somerset County, Pennsylvania. It was built in 2001, so it is 24 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 6 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 2,098 vehicles a day, roughly 17% of them trucks, projected to reach 3,321 by 2032. The structure is 347 ft (105.8 m) long and 42 ft wide. If it were closed, the detour would be 21.1 mi (34 km).

Location

Open in Google Maps
CarriesPa 31 (lr 49)
CrossesPtc B-481 MP 114.55
LocationNear SR 31 & SR 1001 JCT
RouteState Highway 31
CountySomerset County
StatePennsylvania
Coordinates39.99258, -79.00611
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating63.1 US tons
Inventory rating38 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length347 ft (105.8 m)
Longest span163 ft (49.7 m)
Deck width42 ft (12.9 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,098 (2024)
Projected traffic3,321 by 2032
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed21.1 mi (34 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 proposedDeck rehabilitation with only incidental widening
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Pa 31 (lr 49) over Ptc B-481 MP 114.55 built?

It was built in 2001, making it 24 years old in 2025.

What condition is Pa 31 (lr 49) over Ptc B-481 MP 114.55 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 September 2022.

How much traffic does Pa 31 (lr 49) over Ptc B-481 MP 114.55 carry?

About 2,098 vehicles per day (2024 count), of which roughly 17% are trucks.

How long is Pa 31 (lr 49) over Ptc B-481 MP 114.55?

The structure is 347 ft (105.8 m) long with a longest span of 163 ft (49.7 m) and a deck 42 ft wide.

Who owns Pa 31 (lr 49) over Ptc B-481 MP 114.55?

It is owned by the State Highway Agency.