US Bridges

Fdr 502 over N. Fork Mile Creek

Fair

Winn Parish, Louisiana · Logmi 2.62 FR 426 to · Structure no. 080604000002405

Built
1968
57 years old
Condition
Fair
inspected October 2024
Type
Channel Beam
Prestressed Concrete
Length
46 ft
3 main spans
Daily traffic
16
1975 count
Owner
Federal
U.S. Forest Service

About this bridge

Fdr 502 over N. Fork Mile Creek is a prestressed concrete channel beam carrying Fdr 502 over N. Fork Mile Creek in Winn Parish, Louisiana. It was built in 1968, so it is 57 years old, older than the Louisiana average of 43 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 16 vehicles a day, projected to reach 24 by 2045. The structure is 46 ft (14 m) long and 16 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesFdr 502
CrossesN. Fork Mile Creek
LocationLogmi 2.62 FR 426 to
RouteFederal Lands Road 502.2
Coordinates32.0699, -92.84539
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
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; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment6: Equal to present minimum criteria
Operating rating34 US tons
Inventory rating22.5 US tons

Structure

Structure typeChannel Beam
MaterialPrestressed Concrete
DeckOther
Main spans3
Design loadHS 20
Structure length46 ft (14 m)
Longest span15 ft (4.6 m)
Deck width16 ft (5 m)
Roadway width15 ft (4.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16 (1975)
Projected traffic24 by 2045
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Fdr 502 over N. Fork Mile Creek built?

It was built in 1968, making it 57 years old in 2025.

What condition is Fdr 502 over N. Fork Mile Creek 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 Fdr 502 over N. Fork Mile Creek carry?

About 16 vehicles per day (1975 count).

How long is Fdr 502 over N. Fork Mile Creek?

The structure is 46 ft (14 m) long with a longest span of 15 ft (4.6 m) and a deck 16 ft wide.

Who owns Fdr 502 over N. Fork Mile Creek?

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