US Bridges

US0061 over Bayou

Good

West Feliciana Parish, Louisiana · 3.61 Miles North of Thomp · Structure no. 616300000610271

Built
2011
14 years old
Condition
Good
inspected June 2023
Type
Slab
Concrete
Length
140 ft
7 main spans
Daily traffic
16,169
2021 count
Owner
State
State Highway Agency

About this bridge

US0061 over Bayou is a concrete slab carrying US0061 over Bayou in West Feliciana Parish, Louisiana. It was built in 2011, so it is 14 years old, younger 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 16,169 vehicles a day, roughly 17% of them trucks, projected to reach 17,785 by 2041. The structure is 140 ft (42.7 m) long and 41 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS0061
CrossesBayou
Location3.61 Miles North of Thomp
RouteU.S. Route 61
Coordinates30.77536, -91.33244
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40 US tons
Inventory rating31.1 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans7
Design loadHS 20
Structure length140 ft (42.7 m)
Longest span20 ft (6.1 m)
Deck width41 ft (12.5 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,169 (2021)
Projected traffic17,785 by 2041
Trucks17%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was US0061 over Bayou built?

It was built in 2011, making it 14 years old in 2025.

What condition is US0061 over 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 June 2023.

How much traffic does US0061 over Bayou carry?

About 16,169 vehicles per day (2021 count), of which roughly 17% are trucks.

How long is US0061 over Bayou?

The structure is 140 ft (42.7 m) long with a longest span of 20 ft (6.1 m) and a deck 41 ft wide.

Who owns US0061 over Bayou?

It is owned by the State Highway Agency.