US Bridges

Courtableau RD over Courtableau Bayou

PoorPosted for load

St. Landry Parish, Louisiana · 0.25 MI N of US 190 · Structure no. 034930329915241

Built
1986
39 years old, rebuilt 2012
Condition
Poor
inspected April 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
217 ft
14 main spans
Daily traffic
150
2020 count
Owner
County
County Highway Agency

About this bridge

Courtableau RD over Courtableau Bayou is a wood or timber stringer/multi-beam or girder carrying Courtableau RD over Courtableau Bayou in St. Landry Parish, Louisiana. It was built in 1986 and reconstructed in 2012, 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 150 vehicles a day, projected to reach 165 by 2040. The structure is 217 ft (66.1 m) long and 16 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesCourtableau RD
CrossesCourtableau Bayou
Location0.25 MI N of US 190
RouteCounty Highway 0
Coordinates30.54862, -91.87412
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating23.7 US tons
Inventory rating17.5 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans14
Design loadH 10
Structure length217 ft (66.1 m)
Longest span15 ft (4.6 m)
Deck width16 ft (4.9 m)
Roadway width14 ft (4.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2020)
Projected traffic165 by 2040
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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$673,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Courtableau RD over Courtableau Bayou built?

It was built in 1986, making it 39 years old in 2025. It was reconstructed in 2012.

What condition is Courtableau RD over Courtableau Bayou in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in April 2023.

How much traffic does Courtableau RD over Courtableau Bayou carry?

About 150 vehicles per day (2020 count).

How long is Courtableau RD over Courtableau Bayou?

The structure is 217 ft (66.1 m) long with a longest span of 15 ft (4.6 m) and a deck 16 ft wide.

Who owns Courtableau RD over Courtableau Bayou?

It is owned by the County Highway Agency.