US Bridges

Clearlake RD over Colewa Bayou

Fair

West Carroll Parish, Louisiana · 2.1 MI E of LA 585 · Structure no. 056232435913171

Built
1992
33 years old
Condition
Fair
inspected January 2023
Type
Slab
Concrete
Length
207 ft
11 main spans
Daily traffic
312
2019 count
Owner
County
County Highway Agency

About this bridge

Clearlake RD over Colewa Bayou is a concrete slab carrying Clearlake RD over Colewa Bayou in West Carroll Parish, Louisiana. It was built in 1992, so it is 33 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 312 vehicles a day, projected to reach 343 by 2039. The structure is 207 ft (63.1 m) long and 27 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesClearlake RD
CrossesColewa Bayou
Location2.1 MI E of LA 585
RouteCounty Highway 0
CountyWest Carroll Parish
StateLouisiana
Coordinates32.7254, -91.52644
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum 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 spans11
Design loadHS 20
Structure length207 ft (63.1 m)
Longest span19 ft (5.8 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic312 (2019)
Projected traffic343 by 2039
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

OwnerCounty Highway Agency
Maintained byCounty 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 Clearlake RD over Colewa Bayou built?

It was built in 1992, making it 33 years old in 2025.

What condition is Clearlake RD over Colewa Bayou 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 2023.

How much traffic does Clearlake RD over Colewa Bayou carry?

About 312 vehicles per day (2019 count).

How long is Clearlake RD over Colewa Bayou?

The structure is 207 ft (63.1 m) long with a longest span of 19 ft (5.8 m) and a deck 27 ft wide.

Who owns Clearlake RD over Colewa Bayou?

It is owned by the County Highway Agency.