US Bridges

US0080 over Clarke Bayou

PoorPosted for load

Bossier Parish, Louisiana · 0.2 MI East of LA 164 · Structure no. 040800010316231

Built
1956
69 years old
Condition
Poor
inspected November 2023
Type
Slab
Concrete
Length
181 ft
9 main spans
Daily traffic
4,052
2021 count
Owner
State
State Highway Agency

About this bridge

US0080 over Clarke Bayou is a concrete slab carrying US0080 over Clarke Bayou in Bossier Parish, Louisiana. It was built in 1956, so it is 69 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. Its operating status is: posted for load restriction.

It carries about 4,052 vehicles a day, roughly 26% of them trucks, projected to reach 4,457 by 2041. The structure is 181 ft (55.2 m) long and 33 ft wide. If it were closed, the detour would be 19.3 mi (31 km).

Location

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CarriesUS0080
CrossesClarke Bayou
Location0.2 MI East of LA 164
RouteU.S. Route 80
CountyBossier Parish
StateLouisiana
Coordinates32.56768, -93.4859
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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusPosted for load 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 rating20 US tons
Inventory rating15.3 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans9
Design loadHS 20
Structure length181 ft (55.2 m)
Longest span20 ft (6.1 m)
Deck width33 ft (10.2 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,052 (2021)
Projected traffic4,457 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 statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$822,000
NavigationNo navigation control on waterway

Frequently asked questions

When was US0080 over Clarke Bayou built?

It was built in 1956, making it 69 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 4,052 vehicles per day (2021 count), of which roughly 26% are trucks.

How long is US0080 over Clarke Bayou?

The structure is 181 ft (55.2 m) long with a longest span of 20 ft (6.1 m) and a deck 33 ft wide.

Who owns US0080 over Clarke Bayou?

It is owned by the State Highway Agency.