US Bridges

US0080 over Clarke Bayou

Poor

Bossier Parish, Louisiana · 0.2 MI East of LA 164 · Structure no. 040800010316232

Built
1930
95 years old
Condition
Poor
inspected November 2023
Type
Culvert
Concrete
Length
109 ft
12 main spans
Daily traffic
2,376
2021 count
Owner
State
State Highway Agency

About this bridge

US0080 over Clarke Bayou is a concrete culvert carrying US0080 over Clarke Bayou in Bossier 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 2,376 vehicles a day, roughly 26% of them trucks, projected to reach 2,613 by 2041. The structure is 109 ft (33.2 m) long and 28 ft wide. If it were closed, the detour would be 19.3 mi (31 km).

CarriesUS0080
CrossesClarke Bayou
Location0.2 MI East of LA 164
RouteU.S. Route 80
Coordinates32.56791, -93.4855
Functional classRural Minor Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating37.5 US tons
Inventory rating28.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans12
Design loadH 15
Structure length109 ft (33.2 m)
Longest span8 ft (2.4 m)
Deck width28 ft (8.6 m)
Roadway width27 ft (8.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,376 (2021)
Projected traffic2,613 by 2041
Trucks26%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.3 mi (31 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$534,000
NavigationNo navigation control on waterway

Frequently asked questions

When was US0080 over Clarke Bayou built?

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

What condition is US0080 over Clarke Bayou in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in November 2023.

How much traffic does US0080 over Clarke Bayou carry?

About 2,376 vehicles per day (2021 count), of which roughly 26% are trucks.

How long is US0080 over Clarke Bayou?

The structure is 109 ft (33.2 m) long with a longest span of 8 ft (2.4 m) and a deck 28 ft wide.

Who owns US0080 over Clarke Bayou?

It is owned by the State Highway Agency.