US Bridges

LA0164 over Clarke Bayou

FairPosted for load

Bossier Parish, Louisiana · .29 MI East of LA 614 · Structure no. 040801220102811

Built
1943
82 years old
Condition
Fair
inspected November 2023
Type
Tee Beam
Concrete
Length
321 ft
8 main spans
Daily traffic
3,472
2021 count
Owner
State
State Highway Agency

About this bridge

LA0164 over Clarke Bayou is a concrete tee beam carrying LA0164 over Clarke Bayou in Bossier Parish, Louisiana. It was built in 1943, so it is 82 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. Its operating status is: posted for load restriction.

It carries about 3,472 vehicles a day, roughly 19% of them trucks, projected to reach 3,819 by 2041. The structure is 321 ft (97.8 m) long and 31 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

Location

Open in Google Maps
CarriesLA0164
CrossesClarke Bayou
Location.29 MI East of LA 614
RouteState Highway 164
CountyBossier Parish
StateLouisiana
Coordinates32.53456, -93.4655
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
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 protection7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusPosted for load 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 adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating27.9 US tons
Inventory rating21.4 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans8
Design loadH 15
Structure length321 ft (97.8 m)
Longest span40 ft (12.2 m)
Deck width31 ft (9.5 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,472 (2021)
Projected traffic3,819 by 2041
Trucks19%
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.4 million
NavigationNo navigation control on waterway

Frequently asked questions

When was LA0164 over Clarke Bayou built?

It was built in 1943, making it 82 years old in 2025.

What condition is LA0164 over Clarke 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 2023.

How much traffic does LA0164 over Clarke Bayou carry?

About 3,472 vehicles per day (2021 count), of which roughly 19% are trucks.

How long is LA0164 over Clarke Bayou?

The structure is 321 ft (97.8 m) long with a longest span of 40 ft (12.2 m) and a deck 31 ft wide.

Who owns LA0164 over Clarke Bayou?

It is owned by the State Highway Agency.