US Bridges

SR 477-PA 477 over Long Run

FairPosted for load

Clinton County, Pennsylvania · Rote · Structure no. 000000000012244

Built
1937
88 years old, rebuilt 1960
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
40 ft
1 main span
Daily traffic
2,519
2023 count
Owner
State
State Highway Agency

About this bridge

SR 477-PA 477 over Long Run is a steel stringer/multi-beam or girder carrying SR 477-PA 477 over Long Run in Clinton County, Pennsylvania. It was built in 1937 and reconstructed in 1960, 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 5 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 2,519 vehicles a day, roughly 8% of them trucks, projected to reach 2,002 by 2043. The structure is 40 ft (12.2 m) long and 24 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

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CarriesSR 477-PA 477
CrossesLong Run
LocationRote
RouteState Highway 477
CountyClinton County
StatePennsylvania
Coordinates41.08283, -77.43964
Functional classUrban 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating39 US tons
Inventory rating23 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length40 ft (12.2 m)
Longest span38 ft (11.6 m)
Deck width24 ft (7.4 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,519 (2023)
Projected traffic2,002 by 2043
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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$379,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 477-PA 477 over Long Run built?

It was built in 1937, making it 88 years old in 2025. It was reconstructed in 1960.

What condition is SR 477-PA 477 over Long 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 March 2024.

How much traffic does SR 477-PA 477 over Long Run carry?

About 2,519 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is SR 477-PA 477 over Long Run?

The structure is 40 ft (12.2 m) long with a longest span of 38 ft (11.6 m) and a deck 24 ft wide.

Who owns SR 477-PA 477 over Long Run?

It is owned by the State Highway Agency.