US Bridges

Camp Zion RD over Clarke Bayou

Fair

Bossier Parish, Louisiana · 2.5 MI East of LA 157 · Structure no. 040832297932791

Built
1985
40 years old
Condition
Fair
inspected December 2024
Type
Slab
Concrete
Length
153 ft
8 main spans
Daily traffic
500
2020 count
Owner
County
County Highway Agency

About this bridge

Camp Zion RD over Clarke Bayou is a concrete slab carrying Camp Zion RD over Clarke Bayou in Bossier Parish, Louisiana. It was built in 1985, so it is 40 years old, younger 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 500 vehicles a day, projected to reach 550 by 2040. The structure is 153 ft (46.6 m) long and 31 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

Location

Open in Google Maps
CarriesCamp Zion RD
CrossesClarke Bayou
Location2.5 MI East of LA 157
RouteCounty Highway 0
CountyBossier Parish
StateLouisiana
Coordinates32.49541, -93.46452
Functional classRural Local

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.1 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans8
Design loadHS 20
Structure length153 ft (46.6 m)
Longest span19 ft (5.8 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic500 (2020)
Projected traffic550 by 2040
Trucks—
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

OwnerCounty Highway Agency
Maintained byCounty 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 Camp Zion RD over Clarke Bayou built?

It was built in 1985, making it 40 years old in 2025.

What condition is Camp Zion RD 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 December 2024.

How much traffic does Camp Zion RD over Clarke Bayou carry?

About 500 vehicles per day (2020 count).

How long is Camp Zion RD over Clarke Bayou?

The structure is 153 ft (46.6 m) long with a longest span of 19 ft (5.8 m) and a deck 31 ft wide.

Who owns Camp Zion RD over Clarke Bayou?

It is owned by the County Highway Agency.