US Bridges

US0065 over Clark Bayou

Fair

Tensas Parish, Louisiana · 2.2 MI North of LA 605 · Structure no. 585400200406791

Built
1953
72 years old
Condition
Fair
inspected August 2023
Type
Culvert
Concrete
Length
31 ft
3 main spans
Daily traffic
1,873
2021 count
Owner
State
State Highway Agency

About this bridge

US0065 over Clark Bayou is a concrete culvert carrying US0065 over Clark Bayou in Tensas Parish, Louisiana. It was built in 1953, so it is 72 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 1,873 vehicles a day, roughly 20% of them trucks, projected to reach 2,060 by 2041. The structure is 31 ft (9.4 m) long and 60 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesUS0065
CrossesClark Bayou
Location2.2 MI North of LA 605
RouteU.S. Route 65
CountyTensas Parish
StateLouisiana
Coordinates32.03399, -91.2554
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 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 geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating63.2 US tons
Inventory rating48.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length31 ft (9.4 m)
Longest span10 ft (3 m)
Deck width60 ft (18.3 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,873 (2021)
Projected traffic2,060 by 2041
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemYes

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 US0065 over Clark Bayou built?

It was built in 1953, making it 72 years old in 2025.

What condition is US0065 over Clark 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 US0065 over Clark Bayou carry?

About 1,873 vehicles per day (2021 count), of which roughly 20% are trucks.

How long is US0065 over Clark Bayou?

The structure is 31 ft (9.4 m) long with a longest span of 10 ft (3 m) and a deck 60 ft wide.

Who owns US0065 over Clark Bayou?

It is owned by the State Highway Agency.