US Bridges

Country Ridge Rd. over Coulee Rouge

FairPosted for load

St. Landry Parish, Louisiana · 0.40 MI E of LA 31 · Structure no. 034930296920241

Built
2007
18 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
50 ft
1 main span
Daily traffic
25
2020 count
Owner
County
County Highway Agency

About this bridge

Country Ridge Rd. over Coulee Rouge is a steel stringer/multi-beam or girder carrying Country Ridge Rd. over Coulee Rouge in St. Landry Parish, Louisiana. It was built in 2007, so it is 18 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. Its operating status is: posted for load restriction.

It carries about 25 vehicles a day, projected to reach 27 by 2040. The structure is 50 ft (15.2 m) long and 17 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesCountry Ridge Rd.
CrossesCoulee Rouge
Location0.40 MI E of LA 31
RouteCounty Highway 0
CountySt. Landry Parish
StateLouisiana
Coordinates30.49522, -92.03873
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
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.
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 inspectionApril 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations on dry land well above flood water elevations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating20.4 US tons
Inventory rating15.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHS 20
Structure length50 ft (15.2 m)
Longest span50 ft (15.2 m)
Deck width17 ft (5.2 m)
Roadway width16 ft (5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2020)
Projected traffic27 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

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 Country Ridge Rd. over Coulee Rouge built?

It was built in 2007, making it 18 years old in 2025.

What condition is Country Ridge Rd. over Coulee Rouge 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 April 2023.

How much traffic does Country Ridge Rd. over Coulee Rouge carry?

About 25 vehicles per day (2020 count).

How long is Country Ridge Rd. over Coulee Rouge?

The structure is 50 ft (15.2 m) long with a longest span of 50 ft (15.2 m) and a deck 17 ft wide.

Who owns Country Ridge Rd. over Coulee Rouge?

It is owned by the County Highway Agency.