US Bridges

S. a Rd. over Coulee

Fair

Lafayette Parish, Louisiana · 0.6 Miles South of US 90 · Structure no. 032830135921111

Built
1977
48 years old
Condition
Fair
inspected October 2023
Type
Slab
Concrete
Length
38 ft
2 main spans
Daily traffic
66
2020 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

S. a Rd. over Coulee is a concrete slab carrying S. a Rd. over Coulee in Lafayette Parish, Louisiana. It was built in 1977, so it is 48 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 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 66 vehicles a day, projected to reach 72 by 2040. The structure is 38 ft (11.6 m) long and 26 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesS. a Rd.
CrossesCoulee
Location0.6 Miles South of US 90
RouteCounty Highway 0
Coordinates30.22596, -92.18451
Functional classRural 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating59 US tons
Inventory rating36 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length38 ft (11.6 m)
Longest span19 ft (5.8 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic66 (2020)
Projected traffic72 by 2040
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 S. a Rd. over Coulee built?

It was built in 1977, making it 48 years old in 2025.

What condition is S. a Rd. over 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 October 2023.

How much traffic does S. a Rd. over Coulee carry?

About 66 vehicles per day (2020 count).

How long is S. a Rd. over Coulee?

The structure is 38 ft (11.6 m) long with a longest span of 19 ft (5.8 m) and a deck 26 ft wide.

Who owns S. a Rd. over Coulee?

It is owned by the Town or Township Highway Agency.