US Bridges

Daigle St. over Francois Coulee

Fair

Lafayette Parish, Louisiana · .60 MI E of LA 728-1 · Structure no. 032830158915981

Built
1999
26 years old
Condition
Fair
inspected January 2024
Type
Slab
Concrete
Length
95 ft
5 main spans
Daily traffic
475
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Daigle St. over Francois Coulee is a concrete slab carrying Daigle St. over Francois Coulee in Lafayette Parish, Louisiana. It was built in 1999, so it is 26 years old, younger 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 475 vehicles a day, projected to reach 522 by 2042. The structure is 95 ft (29 m) long and 31 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesDaigle St.
CrossesFrancois Coulee
Location.60 MI E of LA 728-1
RouteCity Street 0
Coordinates30.26401, -91.99808
Functional classUrban Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.4 US tons
Inventory rating46.4 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans5
Design loadHS 20
Structure length95 ft (29 m)
Longest span19 ft (5.8 m)
Deck width31 ft (9.3 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic475 (2022)
Projected traffic522 by 2042
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Daigle St. over Francois Coulee built?

It was built in 1999, making it 26 years old in 2025.

What condition is Daigle St. over Francois Coulee 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 January 2024.

How much traffic does Daigle St. over Francois Coulee carry?

About 475 vehicles per day (2022 count).

How long is Daigle St. over Francois Coulee?

The structure is 95 ft (29 m) long with a longest span of 19 ft (5.8 m) and a deck 31 ft wide.

Who owns Daigle St. over Francois Coulee?

It is owned by the City or Municipal Highway Agency.