US Bridges

LA0365 over Coles Gully

Good

Acadia Parish, Louisiana · 1.0 MI West of LA 1109 · Structure no. 030102200102561

Built
1963
62 years old
Condition
Good
inspected November 2024
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
1,570
2021 count
Owner
State
State Highway Agency

About this bridge

LA0365 over Coles Gully is a concrete culvert carrying LA0365 over Coles Gully in Acadia Parish, Louisiana. It was built in 1963, so it is 62 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 1,570 vehicles a day, roughly 13% of them trucks, projected to reach 1,727 by 2041. The structure is 21 ft (6.4 m) long and 40 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesLA0365
CrossesColes Gully
Location1.0 MI West of LA 1109
RouteState Highway 365
Coordinates30.3635, -92.3549
Functional classRural Major 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 inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating34 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 15
Structure length21 ft (6.4 m)
Longest span8 ft (2.4 m)
Deck width40 ft (12.2 m)
Roadway width36 ft (11.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,570 (2021)
Projected traffic1,727 by 2041
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 LA0365 over Coles Gully built?

It was built in 1963, making it 62 years old in 2025.

What condition is LA0365 over Coles Gully 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 November 2024.

How much traffic does LA0365 over Coles Gully carry?

About 1,570 vehicles per day (2021 count), of which roughly 13% are trucks.

How long is LA0365 over Coles Gully?

The structure is 21 ft (6.4 m) long with a longest span of 8 ft (2.4 m) and a deck 40 ft wide.

Who owns LA0365 over Coles Gully?

It is owned by the State Highway Agency.