US Bridges

LA0160 over Dorcheat Bayou

PoorClosed to traffic

Webster Parish, Louisiana · 2.5 MI East of LA 3014 · Structure no. 046000850507171

Built
1966
59 years old
Condition
Poor
inspected June 2024
Type
Slab
Concrete
Length
382 ft
20 main spans
Daily traffic
421
2021 count
Owner
State
State Highway Agency

About this bridge

LA0160 over Dorcheat Bayou is a concrete slab carrying LA0160 over Dorcheat Bayou in Webster Parish, Louisiana. It was built in 1966, so it is 59 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 0 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. Its operating status is: closed to all traffic.

It carries about 421 vehicles a day, roughly 25% of them trucks, projected to reach 463 by 2041. The structure is 382 ft (116.4 m) long and 27 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

CarriesLA0160
CrossesDorcheat Bayou
Location2.5 MI East of LA 3014
RouteState Highway 160
Coordinates32.84352, -93.3545
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
Deck0 FailedOut of service and beyond corrective action.
Superstructure0 FailedOut of service and beyond corrective action.
Substructure0 FailedOut of service and beyond corrective action.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 12 months
Operating statusClosed to all traffic
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation0: Immediate repair necessary to put back in service
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 rating7.5 US tons
Inventory rating5.7 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans20
Design loadH 15
Structure length382 ft (116.4 m)
Longest span19 ft (5.8 m)
Deck width27 ft (8.2 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic421 (2021)
Projected traffic463 by 2041
Trucks25%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 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$1.6 million
NavigationNo navigation control on waterway

Frequently asked questions

When was LA0160 over Dorcheat Bayou built?

It was built in 1966, making it 59 years old in 2025.

What condition is LA0160 over Dorcheat 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 June 2024.

How much traffic does LA0160 over Dorcheat Bayou carry?

About 421 vehicles per day (2021 count), of which roughly 25% are trucks.

How long is LA0160 over Dorcheat Bayou?

The structure is 382 ft (116.4 m) long with a longest span of 19 ft (5.8 m) and a deck 27 ft wide.

Who owns LA0160 over Dorcheat Bayou?

It is owned by the State Highway Agency.