US Bridges

LA3049 over Dooley Bayou

FairPosted for load

Caddo Parish, Louisiana · 3.3 MI North of LA 530 · Structure no. 040900790120581

Built
1978
47 years old
Condition
Fair
inspected January 2024
Type
Slab
Concrete
Length
57 ft
3 main spans
Daily traffic
399
2021 count
Owner
State
State Highway Agency

About this bridge

LA3049 over Dooley Bayou is a concrete slab carrying LA3049 over Dooley Bayou in Caddo Parish, Louisiana. It was built in 1978, so it is 47 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. Its operating status is: posted for load restriction.

It carries about 399 vehicles a day, roughly 25% of them trucks, projected to reach 438 by 2041. The structure is 57 ft (17.4 m) long and 35 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesLA3049
CrossesDooley Bayou
Location3.3 MI North of LA 530
RouteState Highway 3049
CountyCaddo Parish
StateLouisiana
Coordinates32.80145, -93.84186
Functional classRural Minor Collector

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 protection8 Very GoodNo problems noted.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating24.3 US tons
Inventory rating18.5 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length57 ft (17.4 m)
Longest span19 ft (5.8 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic399 (2021)
Projected traffic438 by 2041
Trucks25%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 LA3049 over Dooley Bayou built?

It was built in 1978, making it 47 years old in 2025.

What condition is LA3049 over Dooley Bayou 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 January 2024.

How much traffic does LA3049 over Dooley Bayou carry?

About 399 vehicles per day (2021 count), of which roughly 25% are trucks.

How long is LA3049 over Dooley Bayou?

The structure is 57 ft (17.4 m) long with a longest span of 19 ft (5.8 m) and a deck 35 ft wide.

Who owns LA3049 over Dooley Bayou?

It is owned by the State Highway Agency.