US Bridges

FR 131 over Muddy Fork

FairPosted for load

Elk County, Pennsylvania · 4.1 Mile from SR 3002 · Structure no. 091902000001008

Built
1933
92 years old, rebuilt 1949
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
41 ft
1 main span
Daily traffic
10
1993 count
Owner
Federal
U.S. Forest Service

About this bridge

FR 131 over Muddy Fork is a steel stringer/multi-beam or girder carrying FR 131 over Muddy Fork in Elk County, Pennsylvania. It was built in 1933 and reconstructed in 1949, so it is 92 years old, older 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. Its operating status is: posted for load restriction.

It carries about 10 vehicles a day, projected to reach 15 by 2045. The structure is 41 ft (12.5 m) long and 15 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

Location

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CarriesFR 131
CrossesMuddy Fork
Location4.1 Mile from SR 3002
RouteFederal Lands Road 131
CountyElk County
StatePennsylvania
Coordinates41.42881, -79.03439
Functional classRural Local

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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusPosted for load 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 adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating19.3 US tons
Inventory rating14.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadOther
Structure length41 ft (12.5 m)
Longest span31 ft (9.4 m)
Deck width15 ft (4.7 m)
Roadway width13 ft (4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (1993)
Projected traffic15 by 2045
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerU.S. Forest Service
Maintained byU.S. Forest Service
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was FR 131 over Muddy Fork built?

It was built in 1933, making it 92 years old in 2025. It was reconstructed in 1949.

What condition is FR 131 over Muddy Fork 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 October 2023.

How much traffic does FR 131 over Muddy Fork carry?

About 10 vehicles per day (1993 count).

How long is FR 131 over Muddy Fork?

The structure is 41 ft (12.5 m) long with a longest span of 31 ft (9.4 m) and a deck 15 ft wide.

Who owns FR 131 over Muddy Fork?

It is owned by the U.S. Forest Service.