US Bridges

US0165 over Cross Bayou

Fair

Grant Parish, Louisiana · 5.3 MI North of LA 123 · Structure no. 082200150414471

Built
1939
86 years old
Condition
Fair
inspected October 2024
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
1,898
2021 count
Owner
State
State Highway Agency

About this bridge

US0165 over Cross Bayou is a concrete culvert carrying US0165 over Cross Bayou in Grant Parish, Louisiana. It was built in 1939, so it is 86 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 1,898 vehicles a day, roughly 15% of them trucks, projected to reach 2,087 by 2041. The structure is 21 ft (6.4 m) long and 195 ft wide. If it were closed, the detour would be 24.9 mi (40 km).

CarriesUS0165
CrossesCross Bayou
Location5.3 MI North of LA 123
RouteU.S. Route 165
Coordinates31.73117, -92.4021
Functional classRural Principal Arterial - Other

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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 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 alignment7: Better than present minimum 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 span10 ft (3 m)
Deck width195 ft (59.4 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,898 (2021)
Projected traffic2,087 by 2041
Trucks15%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.9 mi (40 km)
TollOn a free road
National Highway SystemYes

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 US0165 over Cross Bayou built?

It was built in 1939, making it 86 years old in 2025.

What condition is US0165 over Cross 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 October 2024.

How much traffic does US0165 over Cross Bayou carry?

About 1,898 vehicles per day (2021 count), of which roughly 15% are trucks.

How long is US0165 over Cross Bayou?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m) and a deck 195 ft wide.

Who owns US0165 over Cross Bayou?

It is owned by the State Highway Agency.