US Bridges

LA0028 over Cypress Bayou

Good

Rapides Parish, Louisiana · 4.22 Mi. East of LA 465 · Structure no. 084004170200001

Built
1973
52 years old
Condition
Good
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
586 ft
13 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 Rapides 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 7,065 vehicles a day, roughly 15% of them trucks, projected to reach 7,771 by 2041. The structure is 586 ft (178.6 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesLA0028
CrossesCypress Bayou
Location4.22 Mi. East of LA 465
RouteState Highway 28
Coordinates31.24097, -92.82889
Functional classRural Principal Arterial - Other

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating80 US tons
Inventory rating40 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans13
Design loadHS 20
Structure length586 ft (178.6 m)
Longest span45 ft (13.7 m)
Deck width42 ft (12.9 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,065 (2021)
Projected traffic7,771 by 2041
Trucks15%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$2.4 million
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 good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in July 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 586 ft (178.6 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.