US Bridges

Monroe RD over Little Colewa Bayou

Fair

Richland Parish, Louisiana · 3.2 MI N of LA 854 · Structure no. 054232331913431

Built
2003
22 years old
Condition
Fair
inspected June 2023
Type
Slab
Concrete
Length
100 ft
5 main spans
Daily traffic
100
2001 count
Owner
County
County Highway Agency

About this bridge

Monroe RD over Little Colewa Bayou is a concrete slab carrying Monroe RD over Little Colewa Bayou in Richland 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 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 100 vehicles a day, projected to reach 110 by 2021. The structure is 100 ft (30.5 m) long and 27 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesMonroe RD
CrossesLittle Colewa Bayou
Location3.2 MI N of LA 854
RouteCounty Highway 0
Coordinates32.55151, -91.57136
Functional classRural Minor Arterial

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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating43.2 US tons
Inventory rating33.2 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length100 ft (30.5 m)
Longest span20 ft (6.1 m)
Deck width27 ft (8.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2001)
Projected traffic110 by 2021
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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Monroe RD over Little Colewa Bayou built?

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

What condition is Monroe RD over Little 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 June 2023.

How much traffic does Monroe RD over Little Colewa Bayou carry?

About 100 vehicles per day (2001 count).

How long is Monroe RD over Little Colewa Bayou?

The structure is 100 ft (30.5 m) long with a longest span of 20 ft (6.1 m) and a deck 27 ft wide.

Who owns Monroe RD over Little Colewa Bayou?

It is owned by the County Highway Agency.