US Bridges

Boat Shop RD over Tigre Bayou

FairPosted for load

Vermilion Parish, Louisiana · 1.1 MI W of LA 331 · Structure no. 035729571920391

Built
1970
55 years old
Condition
Fair
inspected September 2023
Type
Channel Beam
Concrete
Length
55 ft
2 main spans
Daily traffic
350
2022 count
Owner
County
County Highway Agency

About this bridge

Boat Shop RD over Tigre Bayou is a concrete channel beam carrying Boat Shop RD over Tigre Bayou in Vermilion Parish, Louisiana. It was built in 1970, so it is 55 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 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 350 vehicles a day, projected to reach 385 by 2042. The structure is 55 ft (16.8 m) long and 22 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesBoat Shop RD
CrossesTigre Bayou
Location1.1 MI W of LA 331
RouteCounty Highway 0
CountyVermilion Parish
StateLouisiana
Coordinates29.95181, -92.06444
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.
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 inspectionSeptember 2023
Inspection intervalevery 24 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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating26.1 US tons
Inventory rating16.4 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length55 ft (16.8 m)
Longest span27 ft (8.2 m)
Deck width22 ft (6.7 m)
Roadway width20 ft (6.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic350 (2022)
Projected traffic385 by 2042
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 Boat Shop RD over Tigre Bayou built?

It was built in 1970, making it 55 years old in 2025.

What condition is Boat Shop RD over Tigre 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 September 2023.

How much traffic does Boat Shop RD over Tigre Bayou carry?

About 350 vehicles per day (2022 count).

How long is Boat Shop RD over Tigre Bayou?

The structure is 55 ft (16.8 m) long with a longest span of 27 ft (8.2 m) and a deck 22 ft wide.

Who owns Boat Shop RD over Tigre Bayou?

It is owned by the County Highway Agency.