US Bridges

Fdr 525 over Antoine Creek

Poor

Natchitoches Parish, Louisiana · National Forest Road · Structure no. 080604000002421

Built
1965
60 years old
Condition
Poor
inspected January 2025
Type
Channel Beam
Prestressed Concrete
Length
48 ft
3 main spans
Daily traffic
50
1976 count
Owner
Federal
U.S. Forest Service

About this bridge

Fdr 525 over Antoine Creek is a prestressed concrete channel beam carrying Fdr 525 over Antoine Creek in Natchitoches Parish, Louisiana. It was built in 1965, so it is 60 years old, older than the Louisiana average of 43 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.

It carries about 50 vehicles a day, projected to reach 75 by 2045. The structure is 48 ft (14.6 m) long and 17 ft wide. If it were closed, the detour would be 7.5 mi (12 km).

CarriesFdr 525
CrossesAntoine Creek
LocationNational Forest Road
RouteFederal Lands Road 525
Coordinates32.10939, -93.06347
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating30.8 US tons
Inventory rating22.2 US tons

Structure

Structure typeChannel Beam
MaterialPrestressed Concrete
DeckOther
Main spans3
Design loadHS 20
Structure length48 ft (14.6 m)
Longest span16 ft (4.9 m)
Deck width17 ft (5.1 m)
Roadway width15 ft (4.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (1976)
Projected traffic75 by 2045
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed7.5 mi (12 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 525 over Antoine Creek built?

It was built in 1965, making it 60 years old in 2025.

What condition is Fdr 525 over Antoine Creek 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 January 2025.

How much traffic does Fdr 525 over Antoine Creek carry?

About 50 vehicles per day (1976 count).

How long is Fdr 525 over Antoine Creek?

The structure is 48 ft (14.6 m) long with a longest span of 16 ft (4.9 m) and a deck 17 ft wide.

Who owns Fdr 525 over Antoine Creek?

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