US Bridges

LA0002 over Bayou Darbonne

Fair

Claiborne Parish, Louisiana · 1.0 MI East of LA 504 · Structure no. 041400850711621

Built
1963
62 years old
Condition
Fair
inspected August 2023
Type
Slab
Concrete
Length
261 ft
13 main spans
Daily traffic
1,302
2021 count
Owner
State
State Highway Agency

About this bridge

LA0002 over Bayou Darbonne is a concrete slab carrying LA0002 over Bayou Darbonne in Claiborne Parish, Louisiana. It was built in 1963, so it is 62 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 1,302 vehicles a day, roughly 26% of them trucks, projected to reach 1,432 by 2041. The structure is 261 ft (79.6 m) long and 33 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesLA0002
CrossesBayou Darbonne
Location1.0 MI East of LA 504
RouteState Highway 2
Coordinates32.81, -93.0577
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50 US tons
Inventory rating30 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans13
Design loadHS 20
Structure length261 ft (79.6 m)
Longest span20 ft (6.1 m)
Deck width33 ft (10.1 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,302 (2021)
Projected traffic1,432 by 2041
Trucks26%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 LA0002 over Bayou Darbonne built?

It was built in 1963, making it 62 years old in 2025.

What condition is LA0002 over Bayou Darbonne 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 August 2023.

How much traffic does LA0002 over Bayou Darbonne carry?

About 1,302 vehicles per day (2021 count), of which roughly 26% are trucks.

How long is LA0002 over Bayou Darbonne?

The structure is 261 ft (79.6 m) long with a longest span of 20 ft (6.1 m) and a deck 33 ft wide.

Who owns LA0002 over Bayou Darbonne?

It is owned by the State Highway Agency.