US Bridges

Caplis Sligo RD over Red Chute Bayou

PoorClosed to traffic

Bossier Parish, Louisiana · 1.6 MI South of LA 612 · Structure no. 040832258933491

Built
1995
30 years old
Condition
Poor
inspected December 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
167 ft
11 main spans
Daily traffic
710
2020 count
Owner
County
County Highway Agency

About this bridge

Caplis Sligo RD over Red Chute Bayou is a wood or timber stringer/multi-beam or girder carrying Caplis Sligo RD over Red Chute Bayou in Bossier Parish, Louisiana. It was built in 1995, so it is 30 years old, younger 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 3 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: closed to all traffic.

It carries about 710 vehicles a day, projected to reach 781 by 2040. The structure is 167 ft (50.9 m) long and 26 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCaplis Sligo RD
CrossesRed Chute Bayou
Location1.6 MI South of LA 612
RouteCounty Highway 0
Coordinates32.43031, -93.5823
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.
Superstructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Substructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionDecember 2024
Inspection intervalevery 12 months
Operating statusClosed to all traffic
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation0: Immediate repair necessary to put back in service
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating16 US tons
Inventory rating11 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans11
Design loadH 20
Structure length167 ft (50.9 m)
Longest span15 ft (4.6 m)
Deck width26 ft (8 m)
Roadway width25 ft (7.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic710 (2020)
Projected traffic781 by 2040
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$537,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Caplis Sligo RD over Red Chute Bayou built?

It was built in 1995, making it 30 years old in 2025.

What condition is Caplis Sligo RD over Red Chute 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 December 2024.

How much traffic does Caplis Sligo RD over Red Chute Bayou carry?

About 710 vehicles per day (2020 count).

How long is Caplis Sligo RD over Red Chute Bayou?

The structure is 167 ft (50.9 m) long with a longest span of 15 ft (4.6 m) and a deck 26 ft wide.

Who owns Caplis Sligo RD over Red Chute Bayou?

It is owned by the County Highway Agency.