US Bridges

LA3039 over Canal

Good

St. Martin Parish, Louisiana · 3.0 MI North of LA 347 · Structure no. 035008502803021

Built
1965
60 years old
Condition
Good
inspected June 2024
Type
Culvert
Concrete
Length
25 ft
3 main spans
Daily traffic
1,807
2021 count
Owner
State
State Highway Agency

About this bridge

LA3039 over Canal is a concrete culvert carrying LA3039 over Canal in St. Martin Parish, Louisiana. It was built in 1965, so it is 60 years old, older than the Louisiana average of 43 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,807 vehicles a day, roughly 12% of them trucks, projected to reach 1,987 by 2041. The structure is 25 ft (7.6 m) long and 42 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesLA3039
CrossesCanal
Location3.0 MI North of LA 347
RouteState Highway 3039
Coordinates30.24832, -91.8201
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 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
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.2 US tons
Inventory rating30 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadH 15
Structure length25 ft (7.6 m)
Longest span8 ft (2.4 m)
Deck width42 ft (12.7 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,807 (2021)
Projected traffic1,987 by 2041
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 LA3039 over Canal built?

It was built in 1965, making it 60 years old in 2025.

What condition is LA3039 over Canal in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2024.

How much traffic does LA3039 over Canal carry?

About 1,807 vehicles per day (2021 count), of which roughly 12% are trucks.

How long is LA3039 over Canal?

The structure is 25 ft (7.6 m) long with a longest span of 8 ft (2.4 m) and a deck 42 ft wide.

Who owns LA3039 over Canal?

It is owned by the State Highway Agency.