US Bridges

SR 4001 over Trout Run

Fair

Clinton County, Pennsylvania · Hammersley Fork · Structure no. 000000000012379

Built
1937
88 years old, rebuilt 2014
Condition
Fair
inspected October 2024
Type
Channel Beam
Concrete
Length
33 ft
1 main span
Daily traffic
203
2024 count
Owner
State
State Highway Agency

About this bridge

SR 4001 over Trout Run is a concrete channel beam carrying SR 4001 over Trout Run in Clinton County, Pennsylvania. It was built in 1937 and reconstructed in 2014, so it is 88 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.

It carries about 203 vehicles a day, roughly 7% of them trucks, projected to reach 186 by 2044. The structure is 33 ft (10.1 m) long and 25 ft wide. If it were closed, the detour would be 29.8 mi (48 km).

CarriesSR 4001
CrossesTrout Run
LocationHammersley Fork
RouteState Highway 0
Coordinates41.43261, -77.91983
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating96 US tons
Inventory rating58 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length33 ft (10.1 m)
Longest span32 ft (9.8 m)
Deck width25 ft (7.7 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic203 (2024)
Projected traffic186 by 2044
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed29.8 mi (48 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$435,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 4001 over Trout Run built?

It was built in 1937, making it 88 years old in 2025. It was reconstructed in 2014.

What condition is SR 4001 over Trout Run 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 2024.

How much traffic does SR 4001 over Trout Run carry?

About 203 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is SR 4001 over Trout Run?

The structure is 33 ft (10.1 m) long with a longest span of 32 ft (9.8 m) and a deck 25 ft wide.

Who owns SR 4001 over Trout Run?

It is owned by the State Highway Agency.