US Bridges

I0049 over Coulee Beau Bridge Canal

Fair

Lafayette Parish, Louisiana · 2.60 MI S of LA 182 · Structure no. 032804550104842

Built
1989
36 years old
Condition
Fair
inspected May 2023
Type
Slab
Concrete
Length
120 ft
6 main spans
Daily traffic
11,728
2021 count
Owner
State
State Highway Agency

About this bridge

I0049 over Coulee Beau Bridge Canal is a concrete slab carrying I0049 over Coulee Beau Bridge Canal in Lafayette Parish, Louisiana. It was built in 1989, so it is 36 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 11,728 vehicles a day, roughly 28% of them trucks, projected to reach 12,900 by 2041. The structure is 120 ft (36.6 m) long and 48 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI0049
CrossesCoulee Beau Bridge Canal
Location2.60 MI S of LA 182
RouteInterstate 49
CountyLafayette Parish
StateLouisiana
Coordinates30.32747, -92.036
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating79 US tons
Inventory rating47 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length120 ft (36.6 m)
Longest span20 ft (6.1 m)
Deck width48 ft (14.6 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,728 (2021)
Projected traffic12,900 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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was I0049 over Coulee Beau Bridge Canal built?

It was built in 1989, making it 36 years old in 2025.

What condition is I0049 over Coulee Beau Bridge Canal 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 I0049 over Coulee Beau Bridge Canal carry?

About 11,728 vehicles per day (2021 count), of which roughly 28% are trucks.

How long is I0049 over Coulee Beau Bridge Canal?

The structure is 120 ft (36.6 m) long with a longest span of 20 ft (6.1 m) and a deck 48 ft wide.

Who owns I0049 over Coulee Beau Bridge Canal?

It is owned by the State Highway Agency.