US Bridges

LA0723 over Coulee Mine

Fair

Lafayette Parish, Louisiana · 3.51 MI West of LA 93 · Structure no. 032808280303511

Built
2003
22 years old
Condition
Fair
inspected August 2023
Type
Slab
Concrete
Length
38 ft
2 main spans
Daily traffic
602
2021 count
Owner
State
State Highway Agency

About this bridge

LA0723 over Coulee Mine is a concrete slab carrying LA0723 over Coulee Mine in Lafayette Parish, Louisiana. It was built in 2003, so it is 22 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 5 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 602 vehicles a day, roughly 9% of them trucks, projected to reach 662 by 2041. The structure is 38 ft (11.6 m) long and 31 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesLA0723
CrossesCoulee Mine
Location3.51 MI West of LA 93
RouteState Highway 723
CountyLafayette Parish
StateLouisiana
Coordinates30.26419, -92.0694
Functional classUrban Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 rating48.9 US tons
Inventory rating37.8 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length38 ft (11.6 m)
Longest span18 ft (5.5 m)
Deck width31 ft (9.5 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic602 (2021)
Projected traffic662 by 2041
Trucks9%
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

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 LA0723 over Coulee Mine built?

It was built in 2003, making it 22 years old in 2025.

What condition is LA0723 over Coulee Mine 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 August 2023.

How much traffic does LA0723 over Coulee Mine carry?

About 602 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is LA0723 over Coulee Mine?

The structure is 38 ft (11.6 m) long with a longest span of 18 ft (5.5 m) and a deck 31 ft wide.

Who owns LA0723 over Coulee Mine?

It is owned by the State Highway Agency.