US Bridges

LA0002 over Middlefork Bayou Darbonn

Fair

Claiborne Parish, Louisiana · 2.8 MI East of LA 152 · Structure no. 041400700207311

Built
1949
76 years old
Condition
Fair
inspected August 2024
Type
Tee Beam
Concrete
Length
339 ft
14 main spans
Daily traffic
990
2021 count
Owner
State
State Highway Agency

About this bridge

LA0002 over Middlefork Bayou Darbonn is a concrete tee beam carrying LA0002 over Middlefork Bayou Darbonn in Claiborne Parish, Louisiana. It was built in 1949, so it is 76 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 990 vehicles a day, roughly 26% of them trucks, projected to reach 1,089 by 2041. The structure is 339 ft (103.3 m) long and 29 ft wide. If it were closed, the detour would be 23 mi (37 km).

CarriesLA0002
CrossesMiddlefork Bayou Darbonn
Location2.8 MI East of LA 152
RouteState Highway 2
Coordinates32.80871, -92.7581
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52 US tons
Inventory rating31 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans14
Design loadHS 20
Structure length339 ft (103.3 m)
Longest span24 ft (7.3 m)
Deck width29 ft (8.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic990 (2021)
Projected traffic1,089 by 2041
Trucks26%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed23 mi (37 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 Middlefork Bayou Darbonn built?

It was built in 1949, making it 76 years old in 2025.

What condition is LA0002 over Middlefork Bayou Darbonn 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 2024.

How much traffic does LA0002 over Middlefork Bayou Darbonn carry?

About 990 vehicles per day (2021 count), of which roughly 26% are trucks.

How long is LA0002 over Middlefork Bayou Darbonn?

The structure is 339 ft (103.3 m) long with a longest span of 24 ft (7.3 m) and a deck 29 ft wide.

Who owns LA0002 over Middlefork Bayou Darbonn?

It is owned by the State Highway Agency.