US Bridges

I0010 over Francois Coulee

Fair

Lafayette Parish, Louisiana · 1.1 Mi. East of I-49. · Structure no. 032804500510871

Built
1970
55 years old
Condition
Fair
inspected May 2023
Type
Slab
Concrete
Length
142 ft
7 main spans
Daily traffic
56,748
2021 count
Owner
State
State Highway Agency

About this bridge

I0010 over Francois Coulee is a concrete slab carrying I0010 over Francois Coulee in Lafayette Parish, Louisiana. It was built in 1970, so it is 55 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 56,748 vehicles a day, roughly 28% of them trucks, projected to reach 62,422 by 2041. The structure is 142 ft (43.3 m) long and 78 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI0010
CrossesFrancois Coulee
Location1.1 Mi. East of I-49.
RouteInterstate 10
Coordinates30.26587, -91.99906
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51.8 US tons
Inventory rating40 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans7
Design loadHS 20
Structure length142 ft (43.3 m)
Longest span20 ft (6.1 m)
Deck width78 ft (23.8 m)
Roadway width75 ft (22.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic56,748 (2021)
Projected traffic62,422 by 2041
Trucks28%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 I0010 over Francois Coulee built?

It was built in 1970, making it 55 years old in 2025.

What condition is I0010 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 May 2023.

How much traffic does I0010 over Francois Coulee carry?

About 56,748 vehicles per day (2021 count), of which roughly 28% are trucks.

How long is I0010 over Francois Coulee?

The structure is 142 ft (43.3 m) long with a longest span of 20 ft (6.1 m) and a deck 78 ft wide.

Who owns I0010 over Francois Coulee?

It is owned by the State Highway Agency.