US Bridges

LA3042 over Bayou

FairPosted for load

Evangeline Parish, Louisiana · 0.2 Mi. South of LA 106 · Structure no. 032008203810891

Built
1962
63 years old
Condition
Fair
inspected February 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
39 ft
2 main spans
Daily traffic
2,684
2021 count
Owner
State
State Highway Agency

About this bridge

LA3042 over Bayou is a wood or timber stringer/multi-beam or girder carrying LA3042 over Bayou in Evangeline Parish, Louisiana. It was built in 1962, so it is 63 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 2,684 vehicles a day, roughly 12% of them trucks, projected to reach 2,952 by 2041. The structure is 39 ft (11.9 m) long and 27 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesLA3042
CrossesBayou
Location0.2 Mi. South of LA 106
RouteState Highway 3042
Coordinates30.82575, -92.3225
Functional classRural Minor 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
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 protection7 GoodSome minor problems.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating23 US tons
Inventory rating16 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans2
Design loadH 15
Structure length39 ft (11.9 m)
Longest span19 ft (5.8 m)
Deck width27 ft (8.1 m)
Roadway width25 ft (7.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,684 (2021)
Projected traffic2,952 by 2041
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$234,000
NavigationNo navigation control on waterway

Frequently asked questions

When was LA3042 over Bayou built?

It was built in 1962, making it 63 years old in 2025.

What condition is LA3042 over 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 February 2023.

How much traffic does LA3042 over Bayou carry?

About 2,684 vehicles per day (2021 count), of which roughly 12% are trucks.

How long is LA3042 over Bayou?

The structure is 39 ft (11.9 m) long with a longest span of 19 ft (5.8 m) and a deck 27 ft wide.

Who owns LA3042 over Bayou?

It is owned by the State Highway Agency.