US Bridges

LA3083 over C Coteau Holmes

Fair

St. Martin Parish, Louisiana · 1.07 MI West of LA 679 · Structure no. 035008502901071

Built
1967
58 years old
Condition
Fair
inspected August 2024
Type
Slab
Concrete
Length
38 ft
2 main spans
Daily traffic
1,360
2021 count
Owner
State
State Highway Agency

About this bridge

LA3083 over C Coteau Holmes is a concrete slab carrying LA3083 over C Coteau Holmes in St. Martin Parish, Louisiana. It was built in 1967, so it is 58 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 1,360 vehicles a day, roughly 13% of them trucks, projected to reach 1,496 by 2041. The structure is 38 ft (11.6 m) long and 28 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesLA3083
CrossesC Coteau Holmes
Location1.07 MI West of LA 679
RouteState Highway 3083
CountySt. Martin Parish
StateLouisiana
Coordinates30.12423, -91.71274
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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 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 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 rating28.5 US tons
Inventory rating22.2 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans2
Design loadH 15
Structure length38 ft (11.6 m)
Longest span19 ft (5.8 m)
Deck width28 ft (8.4 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,360 (2021)
Projected traffic1,496 by 2041
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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$229,000
NavigationNo navigation control on waterway

Frequently asked questions

When was LA3083 over C Coteau Holmes built?

It was built in 1967, making it 58 years old in 2025.

What condition is LA3083 over C Coteau Holmes 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 LA3083 over C Coteau Holmes carry?

About 1,360 vehicles per day (2021 count), of which roughly 13% are trucks.

How long is LA3083 over C Coteau Holmes?

The structure is 38 ft (11.6 m) long with a longest span of 19 ft (5.8 m) and a deck 28 ft wide.

Who owns LA3083 over C Coteau Holmes?

It is owned by the State Highway Agency.