US Bridges

LA0029 over Bayou Marron

Fair

Evangeline Parish, Louisiana · 1.6 MI North of LA 1165 · Structure no. 032002030206281

Built
1951
74 years old
Condition
Fair
inspected June 2023
Type
Slab
Concrete
Length
140 ft
7 main spans
Daily traffic
2,770
2021 count
Owner
State
State Highway Agency

About this bridge

LA0029 over Bayou Marron is a concrete slab carrying LA0029 over Bayou Marron in Evangeline Parish, Louisiana. It was built in 1951, so it is 74 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 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 2,770 vehicles a day, roughly 13% of them trucks, projected to reach 3,047 by 2041. The structure is 140 ft (42.7 m) long and 29 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesLA0029
CrossesBayou Marron
Location1.6 MI North of LA 1165
RouteState Highway 29
CountyEvangeline Parish
StateLouisiana
Coordinates30.59681, -92.3013
Functional classRural Major 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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39 US tons
Inventory rating23 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans7
Design loadH 15
Structure length140 ft (42.7 m)
Longest span20 ft (6.1 m)
Deck width29 ft (8.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,770 (2021)
Projected traffic3,047 by 2041
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$663,000
NavigationNo navigation control on waterway

Frequently asked questions

When was LA0029 over Bayou Marron built?

It was built in 1951, making it 74 years old in 2025.

What condition is LA0029 over Bayou Marron 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 June 2023.

How much traffic does LA0029 over Bayou Marron carry?

About 2,770 vehicles per day (2021 count), of which roughly 13% are trucks.

How long is LA0029 over Bayou Marron?

The structure is 140 ft (42.7 m) long with a longest span of 20 ft (6.1 m) and a deck 29 ft wide.

Who owns LA0029 over Bayou Marron?

It is owned by the State Highway Agency.