US Bridges

LA0157 over Dry Cypress Bayou

Fair

Bossier Parish, Louisiana · 6.3 MI North of LA 528 · Structure no. 040800820412061

Built
1981
44 years old
Condition
Fair
inspected November 2023
Type
Slab
Concrete
Length
95 ft
5 main spans
Daily traffic
846
2021 count
Owner
State
State Highway Agency

About this bridge

LA0157 over Dry Cypress Bayou is a concrete slab carrying LA0157 over Dry Cypress Bayou in Bossier Parish, Louisiana. It was built in 1981, so it is 44 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.

It carries about 846 vehicles a day, roughly 19% of them trucks, projected to reach 930 by 2041. The structure is 95 ft (29 m) long and 35 ft wide. If it were closed, the detour would be 19.3 mi (31 km).

Location

Open in Google Maps
CarriesLA0157
CrossesDry Cypress Bayou
Location6.3 MI North of LA 528
RouteState Highway 157
CountyBossier Parish
StateLouisiana
Coordinates32.70898, -93.578
Functional classRural Major 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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71 US tons
Inventory rating42 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans5
Design loadHS 20
Structure length95 ft (29 m)
Longest span19 ft (5.8 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic846 (2021)
Projected traffic930 by 2041
Trucks19%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.3 mi (31 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 LA0157 over Dry Cypress Bayou built?

It was built in 1981, making it 44 years old in 2025.

What condition is LA0157 over Dry Cypress 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 November 2023.

How much traffic does LA0157 over Dry Cypress Bayou carry?

About 846 vehicles per day (2021 count), of which roughly 19% are trucks.

How long is LA0157 over Dry Cypress Bayou?

The structure is 95 ft (29 m) long with a longest span of 19 ft (5.8 m) and a deck 35 ft wide.

Who owns LA0157 over Dry Cypress Bayou?

It is owned by the State Highway Agency.