US Bridges

Beluah over Dugdemona River

Fair

Winn Parish, Louisiana · 2.73 Mi. NW of LA 1230 · Structure no. 086431496922671

Built
1984
41 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
240 ft
5 main spans
Daily traffic
291
2022 count
Owner
County
County Highway Agency

About this bridge

Beluah over Dugdemona River is a prestressed concrete continuous stringer/multi-beam or girder carrying Beluah over Dugdemona River in Winn Parish, Louisiana. It was built in 1984, so it is 41 years old, younger 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 291 vehicles a day, projected to reach 320 by 2042. The structure is 240 ft (73.2 m) long and 27 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

Location

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CarriesBeluah
CrossesDugdemona River
Location2.73 Mi. NW of LA 1230
RouteCounty Highway 0
CountyWinn Parish
StateLouisiana
Coordinates31.82739, -92.4464
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52.5 US tons
Inventory rating40.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length240 ft (73.2 m)
Longest span48 ft (14.6 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic291 (2022)
Projected traffic320 by 2042
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.3 mi (23 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Beluah over Dugdemona River built?

It was built in 1984, making it 41 years old in 2025.

What condition is Beluah over Dugdemona River 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 November 2024.

How much traffic does Beluah over Dugdemona River carry?

About 291 vehicles per day (2022 count).

How long is Beluah over Dugdemona River?

The structure is 240 ft (73.2 m) long with a longest span of 48 ft (14.6 m) and a deck 27 ft wide.

Who owns Beluah over Dugdemona River?

It is owned by the County Highway Agency.