US Bridges

Palmetto Ave over Lil Cypress Bayou

Fair

Bossier Parish, Louisiana · 0.3 Mile East of LA HWY 3 · Structure no. 040832544934221

Built
1986
39 years old
Condition
Fair
inspected December 2024
Type
Slab
Concrete
Length
38 ft
2 main spans
Daily traffic
2,300
2020 count
Owner
County
County Highway Agency

About this bridge

Palmetto Ave over Lil Cypress Bayou is a concrete slab carrying Palmetto Ave over Lil Cypress Bayou 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 6 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 2,300 vehicles a day, projected to reach 2,530 by 2040. The structure is 38 ft (11.6 m) long and 31 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesPalmetto Ave
CrossesLil Cypress Bayou
Location0.3 Mile East of LA HWY 3
RouteCounty Highway 0
CountyBossier Parish
StateLouisiana
Coordinates32.90547, -93.70299
Functional classRural Local

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.6 US tons
Inventory rating41.4 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length38 ft (11.6 m)
Longest span19 ft (5.8 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,300 (2020)
Projected traffic2,530 by 2040
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Palmetto Ave over Lil Cypress Bayou built?

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

What condition is Palmetto Ave over Lil 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 December 2024.

How much traffic does Palmetto Ave over Lil Cypress Bayou carry?

About 2,300 vehicles per day (2020 count).

How long is Palmetto Ave over Lil Cypress Bayou?

The structure is 38 ft (11.6 m) long with a longest span of 19 ft (5.8 m) and a deck 31 ft wide.

Who owns Palmetto Ave over Lil Cypress Bayou?

It is owned by the County Highway Agency.