US Bridges

LA0353 over Bayou Capucin

Fair

St. Martin Parish, Louisiana · 5.1 MI South of LA 94 · Structure no. 035004030203491

Built
1976
49 years old
Condition
Fair
inspected May 2024
Type
Slab
Concrete
Length
133 ft
7 main spans
Daily traffic
3,749
2021 count
Owner
State
State Highway Agency

About this bridge

LA0353 over Bayou Capucin is a concrete slab carrying LA0353 over Bayou Capucin in St. Martin Parish, Louisiana. It was built in 1976, so it is 49 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.

It carries about 3,749 vehicles a day, roughly 13% of them trucks, projected to reach 4,123 by 2041. The structure is 133 ft (40.5 m) long and 31 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesLA0353
CrossesBayou Capucin
Location5.1 MI South of LA 94
RouteState Highway 353
CountySt. Martin Parish
StateLouisiana
Coordinates30.20299, -91.9016
Functional classRural Major Collector

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 protection8 Very GoodNo problems noted.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating37.5 US tons
Inventory rating28.9 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans7
Design loadHS 20
Structure length133 ft (40.5 m)
Longest span19 ft (5.8 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,749 (2021)
Projected traffic4,123 by 2041
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 LA0353 over Bayou Capucin built?

It was built in 1976, making it 49 years old in 2025.

What condition is LA0353 over Bayou Capucin 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 May 2024.

How much traffic does LA0353 over Bayou Capucin carry?

About 3,749 vehicles per day (2021 count), of which roughly 13% are trucks.

How long is LA0353 over Bayou Capucin?

The structure is 133 ft (40.5 m) long with a longest span of 19 ft (5.8 m) and a deck 31 ft wide.

Who owns LA0353 over Bayou Capucin?

It is owned by the State Highway Agency.