US Bridges

Bayou Tortue Rd. over Tortue Bayou

FairPosted for load

Lafayette Parish, Louisiana · 2.60 MI NW of LA 96 · Structure no. 032830092915431

Built
1967
58 years old
Condition
Fair
inspected January 2024
Type
Slab
Concrete
Length
57 ft
3 main spans
Daily traffic
300
2020 count
Owner
County
County Highway Agency

About this bridge

Bayou Tortue Rd. over Tortue Bayou is a concrete slab carrying Bayou Tortue Rd. over Tortue Bayou in Lafayette Parish, Louisiana. It was built in 1967, so it is 58 years old, older 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. Its operating status is: posted for load restriction.

It carries about 300 vehicles a day, projected to reach 330 by 2040. The structure is 57 ft (17.4 m) long and 27 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesBayou Tortue Rd.
CrossesTortue Bayou
Location2.60 MI NW of LA 96
RouteCounty Highway 0
CountyLafayette Parish
StateLouisiana
Coordinates30.15391, -91.90636
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 protection7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating25 US tons
Inventory rating19.3 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length57 ft (17.4 m)
Longest span19 ft (5.8 m)
Deck width27 ft (8.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2020)
Projected traffic330 by 2040
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 Bayou Tortue Rd. over Tortue Bayou built?

It was built in 1967, making it 58 years old in 2025.

What condition is Bayou Tortue Rd. over Tortue 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 2024.

How much traffic does Bayou Tortue Rd. over Tortue Bayou carry?

About 300 vehicles per day (2020 count).

How long is Bayou Tortue Rd. over Tortue Bayou?

The structure is 57 ft (17.4 m) long with a longest span of 19 ft (5.8 m) and a deck 27 ft wide.

Who owns Bayou Tortue Rd. over Tortue Bayou?

It is owned by the County Highway Agency.