US Bridges

LA0157 over Cypress Bayou Tributary

Fair

Bossier Parish, Louisiana · 1.71 MI North of LA 2 · Structure no. 040800840101711

Built
1986
39 years old
Condition
Fair
inspected November 2023
Type
Slab
Concrete
Length
76 ft
4 main spans
Daily traffic
1,016
2021 count
Owner
State
State Highway Agency

About this bridge

LA0157 over Cypress Bayou Tributary is a concrete slab carrying LA0157 over Cypress Bayou Tributary in Bossier Parish, Louisiana. It was built in 1986, so it is 39 years old, younger 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 1,016 vehicles a day, roughly 19% of them trucks, projected to reach 1,117 by 2041. The structure is 76 ft (23.2 m) long and 35 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesLA0157
CrossesCypress Bayou Tributary
Location1.71 MI North of LA 2
RouteState Highway 157
Coordinates32.9246, -93.6817
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating35.1 US tons
Inventory rating27.1 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans4
Design loadHS 20
Structure length76 ft (23.2 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 traffic1,016 (2021)
Projected traffic1,117 by 2041
Trucks19%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 Cypress Bayou Tributary built?

It was built in 1986, making it 39 years old in 2025.

What condition is LA0157 over Cypress Bayou Tributary 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 Cypress Bayou Tributary carry?

About 1,016 vehicles per day (2021 count), of which roughly 19% are trucks.

How long is LA0157 over Cypress Bayou Tributary?

The structure is 76 ft (23.2 m) long with a longest span of 19 ft (5.8 m) and a deck 35 ft wide.

Who owns LA0157 over Cypress Bayou Tributary?

It is owned by the State Highway Agency.