US Bridges

Beau Bassin over Vermilion River

FairPosted for load

Lafayette Parish, Louisiana · 1.34 MI NW of LA 98 · Structure no. 032830185915941

Built
1970
55 years old
Condition
Fair
inspected January 2024
Type
Slab
Concrete
Length
152 ft
8 main spans
Daily traffic
660
2020 count
Owner
County
County Highway Agency

About this bridge

Beau Bassin over Vermilion River is a concrete slab carrying Beau Bassin over Vermilion River in Lafayette 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 660 vehicles a day, projected to reach 726 by 2040. The structure is 152 ft (46.3 m) long and 23 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesBeau Bassin
CrossesVermilion River
Location1.34 MI NW of LA 98
RouteCounty Highway 0
CountyLafayette Parish
StateLouisiana
Coordinates30.30948, -91.98935
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating27.1 US tons
Inventory rating20.7 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans8
Design loadHS 20
Structure length152 ft (46.3 m)
Longest span19 ft (5.8 m)
Deck width23 ft (7.1 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic660 (2020)
Projected traffic726 by 2040
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 Beau Bassin over Vermilion River built?

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

What condition is Beau Bassin over Vermilion River 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 Beau Bassin over Vermilion River carry?

About 660 vehicles per day (2020 count).

How long is Beau Bassin over Vermilion River?

The structure is 152 ft (46.3 m) long with a longest span of 19 ft (5.8 m) and a deck 23 ft wide.

Who owns Beau Bassin over Vermilion River?

It is owned by the County Highway Agency.