US Bridges

LA0465 over Cypress Bayou

Fair

Rapides Parish, Louisiana · 4.41 Mi. East of LA 489 · Structure no. 084001370302751

Built
1947
78 years old
Condition
Fair
inspected November 2024
Type
Tee Beam
Concrete Continuous
Length
101 ft
5 main spans
Daily traffic
472
2021 count
Owner
State
State Highway Agency

About this bridge

LA0465 over Cypress Bayou is a concrete continuous tee beam carrying LA0465 over Cypress Bayou in Rapides Parish, Louisiana. It was built in 1947, so it is 78 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 5 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 472 vehicles a day, roughly 14% of them trucks, projected to reach 519 by 2041. The structure is 101 ft (30.8 m) long and 29 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

Location

Open in Google Maps
CarriesLA0465
CrossesCypress Bayou
Location4.41 Mi. East of LA 489
RouteState Highway 465
CountyRapides Parish
StateLouisiana
Coordinates31.2088, -92.787
Functional classRural Minor 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 rating49.1 US tons
Inventory rating29 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadH 15
Structure length101 ft (30.8 m)
Longest span20 ft (6.1 m)
Deck width29 ft (8.8 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic472 (2021)
Projected traffic519 by 2041
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was LA0465 over Cypress Bayou built?

It was built in 1947, making it 78 years old in 2025.

What condition is LA0465 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 November 2024.

How much traffic does LA0465 over Cypress Bayou carry?

About 472 vehicles per day (2021 count), of which roughly 14% are trucks.

How long is LA0465 over Cypress Bayou?

The structure is 101 ft (30.8 m) long with a longest span of 20 ft (6.1 m) and a deck 29 ft wide.

Who owns LA0465 over Cypress Bayou?

It is owned by the State Highway Agency.