US Bridges

LA0374 over Bayou

Poor

Evangeline Parish, Louisiana · 4.5 MI East of LA 3277 · Structure no. 032008200104501

Built
1956
69 years old
Condition
Poor
inspected February 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
38 ft
2 main spans
Daily traffic
632
2021 count
Owner
State
State Highway Agency

About this bridge

LA0374 over Bayou is a wood or timber stringer/multi-beam or girder carrying LA0374 over Bayou in Evangeline Parish, Louisiana. It was built in 1956, so it is 69 years old, older 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 3 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.

It carries about 632 vehicles a day, roughly 12% of them trucks, projected to reach 695 by 2041. The structure is 38 ft (11.6 m) long and 27 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesLA0374
CrossesBayou
Location4.5 MI East of LA 3277
RouteState Highway 374
CountyEvangeline Parish
StateLouisiana
Coordinates30.56822, -92.481
Functional classRural Minor Collector

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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
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 rating31 US tons
Inventory rating22 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckWood or timber
Main spans2
Design loadH 15
Structure length38 ft (11.6 m)
Longest span19 ft (5.8 m)
Deck width27 ft (8.2 m)
Roadway width26 ft (7.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic632 (2021)
Projected traffic695 by 2041
Trucks12%
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

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 LA0374 over Bayou built?

It was built in 1956, making it 69 years old in 2025.

What condition is LA0374 over 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 February 2024.

How much traffic does LA0374 over Bayou carry?

About 632 vehicles per day (2021 count), of which roughly 12% are trucks.

How long is LA0374 over Bayou?

The structure is 38 ft (11.6 m) long with a longest span of 19 ft (5.8 m) and a deck 27 ft wide.

Who owns LA0374 over Bayou?

It is owned by the State Highway Agency.