US Bridges

Columbia RD over Brushy Creek

Good

Catahoula Parish, Louisiana · 0.5 MI S of Roy Watson RD · Structure no. 581331476915231

Built
1986
39 years old
Condition
Good
inspected May 2023
Type
Culvert
Concrete
Length
23 ft
3 main spans
Daily traffic
50
1986 count
Owner
County
County Highway Agency

About this bridge

Columbia RD over Brushy Creek is a concrete culvert carrying Columbia RD over Brushy Creek in Catahoula Parish, Louisiana. It was built in 1986, so it is 39 years old, younger than the Louisiana average of 43 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 50 vehicles a day, projected to reach 55 by 2006. The structure is 23 ft (7 m) long and 28 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesColumbia RD
CrossesBrushy Creek
Location0.5 MI S of Roy Watson RD
RouteCounty Highway 0
Coordinates31.79472, -91.87253
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment2: Basically intolerable, requiring high priority of replacement
Operating rating27.1 US tons
Inventory rating20.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length23 ft (7 m)
Longest span7 ft (2.1 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (1986)
Projected traffic55 by 2006
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$117,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Columbia RD over Brushy Creek built?

It was built in 1986, making it 39 years old in 2025.

What condition is Columbia RD over Brushy Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in May 2023.

How much traffic does Columbia RD over Brushy Creek carry?

About 50 vehicles per day (1986 count).

How long is Columbia RD over Brushy Creek?

The structure is 23 ft (7 m) long with a longest span of 7 ft (2.1 m) and a deck 28 ft wide.

Who owns Columbia RD over Brushy Creek?

It is owned by the County Highway Agency.