US Bridges

LA0169 over Bayou

Good

Caddo Parish, Louisiana · 2.25 MI West JCT US 71 · Structure no. 040900453105111

Built
1981
44 years old
Condition
Good
inspected January 2024
Type
Culvert
Steel
Length
42 ft
3 main spans
Daily traffic
311
2021 count
Owner
State
State Highway Agency

About this bridge

LA0169 over Bayou is a steel culvert carrying LA0169 over Bayou in Caddo Parish, Louisiana. It was built in 1981, so it is 44 years old, older than the Louisiana average of 43 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 311 vehicles a day, roughly 19% of them trucks, projected to reach 342 by 2041. The structure is 42 ft (12.8 m) long and 46 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesLA0169
CrossesBayou
Location2.25 MI West JCT US 71
RouteState Highway 169
Coordinates32.70255, -93.8817
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating107.1 US tons
Inventory rating82.1 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans3
Design loadHS 20
Structure length42 ft (12.8 m)
Longest span7 ft (2.1 m)
Deck width46 ft (14 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic311 (2021)
Projected traffic342 by 2041
Trucks19%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was LA0169 over Bayou built?

It was built in 1981, making it 44 years old in 2025.

What condition is LA0169 over Bayou in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in January 2024.

How much traffic does LA0169 over Bayou carry?

About 311 vehicles per day (2021 count), of which roughly 19% are trucks.

How long is LA0169 over Bayou?

The structure is 42 ft (12.8 m) long with a longest span of 7 ft (2.1 m) and a deck 46 ft wide.

Who owns LA0169 over Bayou?

It is owned by the State Highway Agency.