US Bridges

Pa 31 (lr 49) over Ptc B-438 MP 111.96

Good

Somerset County, Pennsylvania · 0.1 Mi.East of Somerset · Structure no. 000000000041215

Built
2000
25 years old
Condition
Good
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
196 ft
1 main span
Daily traffic
5,069
2024 count
Owner
State
State Highway Agency

About this bridge

Pa 31 (lr 49) over Ptc B-438 MP 111.96 is a steel stringer/multi-beam or girder carrying Pa 31 (lr 49) over Ptc B-438 MP 111.96 in Somerset County, Pennsylvania. It was built in 2000, so it is 25 years old, younger 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 5,069 vehicles a day, roughly 14% of them trucks, projected to reach 6,564 by 2032. The structure is 196 ft (59.7 m) long and 42 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesPa 31 (lr 49)
CrossesPtc B-438 MP 111.96
Location0.1 Mi.East of Somerset
RouteState Highway 31
Coordinates40.00338, -79.05123
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating89 US tons
Inventory rating53 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length196 ft (59.7 m)
Longest span185 ft (56.4 m)
Deck width42 ft (12.9 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,069 (2024)
Projected traffic6,564 by 2032
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed5 mi (8 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Pa 31 (lr 49) over Ptc B-438 MP 111.96 built?

It was built in 2000, making it 25 years old in 2025.

What condition is Pa 31 (lr 49) over Ptc B-438 MP 111.96 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 April 2024.

How much traffic does Pa 31 (lr 49) over Ptc B-438 MP 111.96 carry?

About 5,069 vehicles per day (2024 count), of which roughly 14% are trucks.

How long is Pa 31 (lr 49) over Ptc B-438 MP 111.96?

The structure is 196 ft (59.7 m) long with a longest span of 185 ft (56.4 m) and a deck 42 ft wide.

Who owns Pa 31 (lr 49) over Ptc B-438 MP 111.96?

It is owned by the State Highway Agency.