US Bridges

SR 4001 over Ptc B-459 MP 103.47

Fair

Somerset County, Pennsylvania · East of Laurel Summit · Structure no. 000000000048526

Built
2012
13 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
136 ft
2 main spans
Daily traffic
536
2024 count
Owner
State
State Highway Agency

About this bridge

SR 4001 over Ptc B-459 MP 103.47 is a steel continuous stringer/multi-beam or girder carrying SR 4001 over Ptc B-459 MP 103.47 in Somerset County, Pennsylvania. It was built in 2012, so it is 13 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 536 vehicles a day, roughly 2% of them trucks, projected to reach 875 by 2034. The structure is 136 ft (41.5 m) long and 40 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesSR 4001
CrossesPtc B-459 MP 103.47
LocationEast of Laurel Summit
RouteState Highway 0
Coordinates40.07652, -79.17013
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating84 US tons
Inventory rating50 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length136 ft (41.5 m)
Longest span65 ft (19.8 m)
Deck width40 ft (12.3 m)
Roadway width37 ft (11.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic536 (2024)
Projected traffic875 by 2034
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed9.9 mi (16 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 SR 4001 over Ptc B-459 MP 103.47 built?

It was built in 2012, making it 13 years old in 2025.

What condition is SR 4001 over Ptc B-459 MP 103.47 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 April 2023.

How much traffic does SR 4001 over Ptc B-459 MP 103.47 carry?

About 536 vehicles per day (2024 count), of which roughly 2% are trucks.

How long is SR 4001 over Ptc B-459 MP 103.47?

The structure is 136 ft (41.5 m) long with a longest span of 65 ft (19.8 m) and a deck 40 ft wide.

Who owns SR 4001 over Ptc B-459 MP 103.47?

It is owned by the State Highway Agency.