US Bridges

US0065 over Carroll Bayou

Good

Concordia Parish, Louisiana · 3.44 MI North of US 84 · Structure no. 581500260303441

Built
1981
44 years old
Condition
Good
inspected May 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
252 ft
4 main spans
Daily traffic
5,796
2021 count
Owner
State
State Highway Agency

About this bridge

US0065 over Carroll Bayou is a prestressed concrete continuous stringer/multi-beam or girder carrying US0065 over Carroll Bayou in Concordia Parish, Louisiana. It was built in 1981, so it is 44 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 5,796 vehicles a day, roughly 20% of them trucks, projected to reach 6,375 by 2041. The structure is 252 ft (76.8 m) long and 89 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

CarriesUS0065
CrossesCarroll Bayou
Location3.44 MI North of US 84
RouteU.S. Route 65
Coordinates31.67742, -91.5405
Functional classRural Principal Arterial - Other

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67 US tons
Inventory rating40 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length252 ft (76.8 m)
Longest span50 ft (15.2 m)
Deck width89 ft (27.1 m)
Roadway width76 ft (23.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,796 (2021)
Projected traffic6,375 by 2041
Trucks20%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.3 mi (23 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 US0065 over Carroll Bayou built?

It was built in 1981, making it 44 years old in 2025.

What condition is US0065 over Carroll Bayou 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 May 2024.

How much traffic does US0065 over Carroll Bayou carry?

About 5,796 vehicles per day (2021 count), of which roughly 20% are trucks.

How long is US0065 over Carroll Bayou?

The structure is 252 ft (76.8 m) long with a longest span of 50 ft (15.2 m) and a deck 89 ft wide.

Who owns US0065 over Carroll Bayou?

It is owned by the State Highway Agency.