US Bridges

LA0941 over Bayou Conway

Fair

Ascension Parish, Louisiana · 1.4 M North of I-10 · Structure no. 610308032700981

Built
1966
59 years old
Condition
Fair
inspected June 2024
Type
Slab
Concrete
Length
121 ft
6 main spans
Daily traffic
2,750
2021 count
Owner
State
State Highway Agency

About this bridge

LA0941 over Bayou Conway is a concrete slab carrying LA0941 over Bayou Conway in Ascension Parish, Louisiana. It was built in 1966, so it is 59 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 2,750 vehicles a day, roughly 11% of them trucks, projected to reach 3,025 by 2041. The structure is 121 ft (36.9 m) long and 30 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesLA0941
CrossesBayou Conway
Location1.4 M North of I-10
RouteState Highway 941
Coordinates30.19729, -90.88649
Functional classUrban 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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
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 rating53 US tons
Inventory rating32 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length121 ft (36.9 m)
Longest span20 ft (6.1 m)
Deck width30 ft (9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,750 (2021)
Projected traffic3,025 by 2041
Trucks11%
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$588,000
NavigationNo navigation control on waterway

Frequently asked questions

When was LA0941 over Bayou Conway built?

It was built in 1966, making it 59 years old in 2025.

What condition is LA0941 over Bayou Conway 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 2024.

How much traffic does LA0941 over Bayou Conway carry?

About 2,750 vehicles per day (2021 count), of which roughly 11% are trucks.

How long is LA0941 over Bayou Conway?

The structure is 121 ft (36.9 m) long with a longest span of 20 ft (6.1 m) and a deck 30 ft wide.

Who owns LA0941 over Bayou Conway?

It is owned by the State Highway Agency.