US Bridges

FR 365 over N. Br. Four Mile Run

PoorPosted for load

Warren County, Pennsylvania · 1.8 Miles SW of FR 259 · Structure no. 091901000001027

Built
1967
58 years old
Condition
Poor
inspected September 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
23 ft
1 main span
Daily traffic
2
Owner
Federal
U.S. Forest Service

About this bridge

FR 365 over N. Br. Four Mile Run is a wood or timber stringer/multi-beam or girder carrying FR 365 over N. Br. Four Mile Run in Warren County, Pennsylvania. It was built in 1967, so it is 58 years old, older than the Pennsylvania average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 2 vehicles a day, projected to reach 3 by 2045. The structure is 23 ft (7 m) long and 16 ft wide. If it were closed, the detour would be 98.2 mi (158 km).

CarriesFR 365
CrossesN. Br. Four Mile Run
Location1.8 Miles SW of FR 259
RouteFederal Lands Road 365
Coordinates41.75921, -78.99204
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating24.3 US tons
Inventory rating19 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadH 20
Structure length23 ft (7 m)
Longest span22 ft (6.7 m)
Deck width16 ft (4.9 m)
Roadway width15 ft (4.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2 (—)
Projected traffic3 by 2045
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.2 mi (158 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 365 over N. Br. Four Mile Run built?

It was built in 1967, making it 58 years old in 2025.

What condition is FR 365 over N. Br. Four Mile Run in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in September 2024.

How much traffic does FR 365 over N. Br. Four Mile Run carry?

About 2 vehicles per day (latest count).

How long is FR 365 over N. Br. Four Mile Run?

The structure is 23 ft (7 m) long with a longest span of 22 ft (6.7 m) and a deck 16 ft wide.

Who owns FR 365 over N. Br. Four Mile Run?

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