US Bridges

Linwood Ave over Cypress Bayou

Fair

Caddo Parish, Louisiana · 3.7 MI South of LA 526 · Structure no. 040932207934581

Built
1987
38 years old
Condition
Fair
inspected March 2023
Type
Slab
Concrete
Length
399 ft
21 main spans
Daily traffic
4,925
2020 count
Owner
County
County Highway Agency

About this bridge

Linwood Ave over Cypress Bayou is a concrete slab carrying Linwood Ave over Cypress Bayou in Caddo Parish, Louisiana. It was built in 1987, so it is 38 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 4,925 vehicles a day, projected to reach 5,417 by 2040. The structure is 399 ft (121.6 m) long and 43 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesLinwood Ave
CrossesCypress Bayou
Location3.7 MI South of LA 526
RouteCounty Highway 0
Coordinates32.34523, -93.76366
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 inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating40.3 US tons
Inventory rating31.1 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans21
Design loadHS 20
Structure length399 ft (121.6 m)
Longest span19 ft (5.8 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,925 (2020)
Projected traffic5,417 by 2040
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Linwood Ave over Cypress Bayou built?

It was built in 1987, making it 38 years old in 2025.

What condition is Linwood Ave over 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 March 2023.

How much traffic does Linwood Ave over Cypress Bayou carry?

About 4,925 vehicles per day (2020 count).

How long is Linwood Ave over Cypress Bayou?

The structure is 399 ft (121.6 m) long with a longest span of 19 ft (5.8 m) and a deck 43 ft wide.

Who owns Linwood Ave over Cypress Bayou?

It is owned by the County Highway Agency.