US Bridges

LA0014 over Isle Marron Canal

Fair

Vermilion Parish, Louisiana · 1.6 MI E. of LA 35 · Structure no. 035700550503131

Built
1959
66 years old
Condition
Fair
inspected June 2024
Type
Slab
Concrete
Length
80 ft
4 main spans
Daily traffic
7,329
2021 count
Owner
State
State Highway Agency

About this bridge

LA0014 over Isle Marron Canal is a concrete slab carrying LA0014 over Isle Marron Canal in Vermilion Parish, Louisiana. It was built in 1959, so it is 66 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 7,329 vehicles a day, roughly 13% of them trucks, projected to reach 8,061 by 2041. The structure is 80 ft (24.4 m) long and 33 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesLA0014
CrossesIsle Marron Canal
Location1.6 MI E. of LA 35
RouteState Highway 14
CountyVermilion Parish
StateLouisiana
Coordinates29.99151, -92.26044
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
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 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 rating42 US tons
Inventory rating25 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length80 ft (24.4 m)
Longest span20 ft (6.1 m)
Deck width33 ft (10.2 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,329 (2021)
Projected traffic8,061 by 2041
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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$412,000
NavigationNo navigation control on waterway

Frequently asked questions

When was LA0014 over Isle Marron Canal built?

It was built in 1959, making it 66 years old in 2025.

What condition is LA0014 over Isle Marron Canal 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 LA0014 over Isle Marron Canal carry?

About 7,329 vehicles per day (2021 count), of which roughly 13% are trucks.

How long is LA0014 over Isle Marron Canal?

The structure is 80 ft (24.4 m) long with a longest span of 20 ft (6.1 m) and a deck 33 ft wide.

Who owns LA0014 over Isle Marron Canal?

It is owned by the State Highway Agency.