US Bridges

Fdr 524 over Malaudos Creek

Fair

Natchitoches Parish, Louisiana · National Forest Road · Structure no. 080604000002420

Built
1968
57 years old
Condition
Fair
inspected December 2024
Type
Channel Beam
Prestressed Concrete
Length
35 ft
2 main spans
Daily traffic
10
1979 count
Owner
Federal
U.S. Forest Service

About this bridge

Fdr 524 over Malaudos Creek is a prestressed concrete channel beam carrying Fdr 524 over Malaudos Creek in Natchitoches 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 5 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 10 vehicles a day, projected to reach 15 by 2045. The structure is 35 ft (10.7 m) long and 17 ft wide. If it were closed, the detour would be 98.2 mi (158 km).

CarriesFdr 524
CrossesMalaudos Creek
LocationNational Forest Road
RouteFederal Lands Road 524.2
Coordinates32.02157, -92.96814
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 inspectionDecember 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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating30.8 US tons
Inventory rating21.1 US tons

Structure

Structure typeChannel Beam
MaterialPrestressed Concrete
DeckOther
Main spans2
Design loadHS 20
Structure length35 ft (10.7 m)
Longest span18 ft (5.5 m)
Deck width17 ft (5.1 m)
Roadway width15 ft (4.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (1979)
Projected traffic15 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 Fdr 524 over Malaudos Creek built?

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

What condition is Fdr 524 over Malaudos 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 December 2024.

How much traffic does Fdr 524 over Malaudos Creek carry?

About 10 vehicles per day (1979 count).

How long is Fdr 524 over Malaudos Creek?

The structure is 35 ft (10.7 m) long with a longest span of 18 ft (5.5 m) and a deck 17 ft wide.

Who owns Fdr 524 over Malaudos Creek?

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