US Bridges

US0080 over Cypress Bayou

Fair

Richland Parish, Louisiana · 2.9 MI East of LA 583 · Structure no. 054200020309211

Built
1930
95 years old
Condition
Fair
inspected August 2023
Type
Tee Beam
Concrete
Length
94 ft
3 main spans
Daily traffic
1,451
2021 count
Owner
State
State Highway Agency

About this bridge

US0080 over Cypress Bayou is a concrete tee beam carrying US0080 over Cypress Bayou in Richland Parish, Louisiana. It was built in 1930, so it is 95 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 1,451 vehicles a day, roughly 15% of them trucks, projected to reach 1,596 by 2041. The structure is 94 ft (28.7 m) long and 27 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesUS0080
CrossesCypress Bayou
Location2.9 MI East of LA 583
RouteU.S. Route 80
Coordinates32.46915, -91.6474
Functional classRural Major Collector

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 inspectionAugust 2023
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 adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating53 US tons
Inventory rating32 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length94 ft (28.7 m)
Longest span31 ft (9.4 m)
Deck width27 ft (8.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,451 (2021)
Projected traffic1,596 by 2041
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$471,000
NavigationNo navigation control on waterway

Frequently asked questions

When was US0080 over Cypress Bayou built?

It was built in 1930, making it 95 years old in 2025.

What condition is US0080 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 August 2023.

How much traffic does US0080 over Cypress Bayou carry?

About 1,451 vehicles per day (2021 count), of which roughly 15% are trucks.

How long is US0080 over Cypress Bayou?

The structure is 94 ft (28.7 m) long with a longest span of 31 ft (9.4 m) and a deck 27 ft wide.

Who owns US0080 over Cypress Bayou?

It is owned by the State Highway Agency.