US Bridges

US0061 over Bayou Francois

Good

Ascension Parish, Louisiana · 0.85 M SE of US 61&LA 429 · Structure no. 610300070703801

Built
1976
49 years old
Condition
Good
inspected May 2024
Type
Slab
Concrete
Length
80 ft
4 main spans
Daily traffic
16,379
2021 count
Owner
State
State Highway Agency

About this bridge

US0061 over Bayou Francois is a concrete slab carrying US0061 over Bayou Francois in Ascension Parish, Louisiana. It was built in 1976, so it is 49 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 16,379 vehicles a day, roughly 9% of them trucks, projected to reach 18,016 by 2041. The structure is 80 ft (24.4 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS0061
CrossesBayou Francois
Location0.85 M SE of US 61&LA 429
RouteU.S. Route 61
Coordinates30.22741, -90.90189
Functional classUrban Other Principal Arterial

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 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 geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64 US tons
Inventory rating38 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length80 ft (24.4 m)
Longest span20 ft (6.1 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,379 (2021)
Projected traffic18,016 by 2041
Trucks9%
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 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 US0061 over Bayou Francois built?

It was built in 1976, making it 49 years old in 2025.

What condition is US0061 over Bayou Francois 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 US0061 over Bayou Francois carry?

About 16,379 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is US0061 over Bayou Francois?

The structure is 80 ft (24.4 m) long with a longest span of 20 ft (6.1 m) and a deck 43 ft wide.

Who owns US0061 over Bayou Francois?

It is owned by the State Highway Agency.