US Bridges

LA0028 over Cypress Bayou

Fair

Vernon Parish, Louisiana · 3.9 MI East of LA 465 · Structure no. 085804170122251

Built
1973
52 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
407 ft
9 main spans
Daily traffic
7,065
2021 count
Owner
State
State Highway Agency

About this bridge

LA0028 over Cypress Bayou is a prestressed concrete stringer/multi-beam or girder carrying LA0028 over Cypress Bayou in Vernon Parish, Louisiana. It was built in 1973, so it is 52 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 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 7,065 vehicles a day, roughly 15% of them trucks, projected to reach 7,771 by 2041. The structure is 407 ft (124.1 m) long and 42 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesLA0028
CrossesCypress Bayou
Location3.9 MI East of LA 465
RouteState Highway 28
Coordinates31.23867, -92.8331
Functional classRural Principal Arterial - Other

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 protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating80 US tons
Inventory rating40 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans9
Design loadHS 20
Structure length407 ft (124.1 m)
Longest span45 ft (13.7 m)
Deck width42 ft (12.8 m)
Roadway width39 ft (11.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,065 (2021)
Projected traffic7,771 by 2041
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate STRAHNET route

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 LA0028 over Cypress Bayou built?

It was built in 1973, making it 52 years old in 2025.

What condition is LA0028 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 April 2024.

How much traffic does LA0028 over Cypress Bayou carry?

About 7,065 vehicles per day (2021 count), of which roughly 15% are trucks.

How long is LA0028 over Cypress Bayou?

The structure is 407 ft (124.1 m) long with a longest span of 45 ft (13.7 m) and a deck 42 ft wide.

Who owns LA0028 over Cypress Bayou?

It is owned by the State Highway Agency.