US Bridges

LA0160 over Cypress Bayou Relief

Poor

Bossier Parish, Louisiana · .1 MI East of LA 3 · Structure no. 040800850303141

Built
1969
56 years old
Condition
Poor
inspected November 2024
Type
Slab
Concrete
Length
57 ft
3 main spans
Daily traffic
622
2021 count
Owner
State
State Highway Agency

About this bridge

LA0160 over Cypress Bayou Relief is a concrete slab carrying LA0160 over Cypress Bayou Relief in Bossier Parish, Louisiana. It was built in 1969, so it is 56 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 3 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 622 vehicles a day, roughly 25% of them trucks, projected to reach 684 by 2041. The structure is 57 ft (17.4 m) long and 28 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesLA0160
CrossesCypress Bayou Relief
Location.1 MI East of LA 3
RouteState Highway 160
Coordinates32.78711, -93.7087
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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Last inspectionNovember 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating49.1 US tons
Inventory rating29 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length57 ft (17.4 m)
Longest span19 ft (5.8 m)
Deck width28 ft (8.4 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic622 (2021)
Projected traffic684 by 2041
Trucks25%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed11.8 mi (19 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 LA0160 over Cypress Bayou Relief built?

It was built in 1969, making it 56 years old in 2025.

What condition is LA0160 over Cypress Bayou Relief 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 November 2024.

How much traffic does LA0160 over Cypress Bayou Relief carry?

About 622 vehicles per day (2021 count), of which roughly 25% are trucks.

How long is LA0160 over Cypress Bayou Relief?

The structure is 57 ft (17.4 m) long with a longest span of 19 ft (5.8 m) and a deck 28 ft wide.

Who owns LA0160 over Cypress Bayou Relief?

It is owned by the State Highway Agency.