US Bridges

US0165 over Coulee Bayou

Fair

Morehouse Parish, Louisiana · 2.0 MI East of LA 830-3 · Structure no. 053400160405091

Built
1932
93 years old
Condition
Fair
inspected November 2024
Type
Culvert
Concrete
Length
28 ft
6 main spans
Daily traffic
5,027
2021 count
Owner
State
State Highway Agency

About this bridge

US0165 over Coulee Bayou is a concrete culvert carrying US0165 over Coulee Bayou in Morehouse Parish, Louisiana. It was built in 1932, so it is 93 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 5,027 vehicles a day, roughly 16% of them trucks, projected to reach 5,529 by 2041. The structure is 28 ft (8.5 m) long and 49 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesUS0165
CrossesCoulee Bayou
Location2.0 MI East of LA 830-3
RouteU.S. Route 165
CountyMorehouse Parish
StateLouisiana
Coordinates32.77429, -91.83165
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating22.8 US tons
Inventory rating17.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans6
Design loadH 15
Structure length28 ft (8.5 m)
Longest span4 ft (1.2 m)
Deck width49 ft (14.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,027 (2021)
Projected traffic5,529 by 2041
Trucks16%
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$186,000
NavigationNo navigation control on waterway

Frequently asked questions

When was US0165 over Coulee Bayou built?

It was built in 1932, making it 93 years old in 2025.

What condition is US0165 over Coulee Bayou 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 November 2024.

How much traffic does US0165 over Coulee Bayou carry?

About 5,027 vehicles per day (2021 count), of which roughly 16% are trucks.

How long is US0165 over Coulee Bayou?

The structure is 28 ft (8.5 m) long with a longest span of 4 ft (1.2 m) and a deck 49 ft wide.

Who owns US0165 over Coulee Bayou?

It is owned by the State Highway Agency.