US Bridges

LA0151 over North Cheniere CR

Poor

Ouachita Parish, Louisiana · 5.21 MI North of LA 546 · Structure no. 053703170105211

Built
1958
67 years old
Condition
Poor
inspected October 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
78 ft
4 main spans
Daily traffic
2,828
2021 count
Owner
State
State Highway Agency

About this bridge

LA0151 over North Cheniere CR is a wood or timber stringer/multi-beam or girder carrying LA0151 over North Cheniere CR in Ouachita Parish, Louisiana. It was built in 1958, so it is 67 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 4 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 2,828 vehicles a day, roughly 15% of them trucks, projected to reach 3,110 by 2041. The structure is 78 ft (23.8 m) long and 27 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesLA0151
CrossesNorth Cheniere CR
Location5.21 MI North of LA 546
RouteState Highway 151
Coordinates32.50105, -92.3596
Functional classRural Major 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43 US tons
Inventory rating31 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans4
Design loadH 15
Structure length78 ft (23.8 m)
Longest span19 ft (5.8 m)
Deck width27 ft (8.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,828 (2021)
Projected traffic3,110 by 2041
Trucks15%
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

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$400,000
NavigationNo navigation control on waterway

Frequently asked questions

When was LA0151 over North Cheniere CR built?

It was built in 1958, making it 67 years old in 2025.

What condition is LA0151 over North Cheniere CR 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 October 2024.

How much traffic does LA0151 over North Cheniere CR carry?

About 2,828 vehicles per day (2021 count), of which roughly 15% are trucks.

How long is LA0151 over North Cheniere CR?

The structure is 78 ft (23.8 m) long with a longest span of 19 ft (5.8 m) and a deck 27 ft wide.

Who owns LA0151 over North Cheniere CR?

It is owned by the State Highway Agency.