US Bridges

LA0157 over Dorcheat Bayou

Good

Webster Parish, Louisiana · 4.48 Miles East of US 371 · Structure no. 046000000040269

Built
2010
15 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
450 ft
9 main spans
Daily traffic
1,757
2021 count
Owner
State
State Highway Agency

About this bridge

LA0157 over Dorcheat Bayou is a prestressed concrete continuous stringer/multi-beam or girder carrying LA0157 over Dorcheat Bayou in Webster Parish, Louisiana. It was built in 2010, so it is 15 years old, younger than the Louisiana average of 43 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,757 vehicles a day, roughly 19% of them trucks, projected to reach 1,932 by 2041. The structure is 450 ft (137.2 m) long and 47 ft wide. If it were closed, the detour would be 26.7 mi (43 km).

CarriesLA0157
CrossesDorcheat Bayou
Location4.48 Miles East of US 371
RouteState Highway 157
Coordinates32.99408, -93.3971
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.7 US tons
Inventory rating42.1 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans9
Design loadHS 20
Structure length450 ft (137.2 m)
Longest span50 ft (15.2 m)
Deck width47 ft (14.2 m)
Roadway width44 ft (13.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,757 (2021)
Projected traffic1,932 by 2041
Trucks19%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed26.7 mi (43 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was LA0157 over Dorcheat Bayou built?

It was built in 2010, making it 15 years old in 2025.

What condition is LA0157 over Dorcheat Bayou in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2024.

How much traffic does LA0157 over Dorcheat Bayou carry?

About 1,757 vehicles per day (2021 count), of which roughly 19% are trucks.

How long is LA0157 over Dorcheat Bayou?

The structure is 450 ft (137.2 m) long with a longest span of 50 ft (15.2 m) and a deck 47 ft wide.

Who owns LA0157 over Dorcheat Bayou?

It is owned by the State Highway Agency.