US Bridges

LA0169 over N. Fork Boggy Bayou

Fair

Caddo Parish, Louisiana · 4.3 MI S of US 80 · Structure no. 040900970104301

Built
1982
43 years old
Condition
Fair
inspected January 2025
Type
Slab
Concrete
Length
100 ft
5 main spans
Daily traffic
1,909
2021 count
Owner
State
State Highway Agency

About this bridge

LA0169 over N. Fork Boggy Bayou is a concrete slab carrying LA0169 over N. Fork Boggy Bayou in Caddo Parish, Louisiana. It was built in 1982, so it is 43 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 6 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 1,909 vehicles a day, roughly 19% of them trucks, projected to reach 2,099 by 2041. The structure is 100 ft (30.5 m) long and 43 ft wide. If it were closed, the detour would be 16.8 mi (27 km).

Location

Open in Google Maps
CarriesLA0169
CrossesN. Fork Boggy Bayou
Location4.3 MI S of US 80
RouteState Highway 169
CountyCaddo Parish
StateLouisiana
Coordinates32.38197, -93.9663
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2025
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating45 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length100 ft (30.5 m)
Longest span20 ft (6.1 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,909 (2021)
Projected traffic2,099 by 2041
Trucks19%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.8 mi (27 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 N. Fork Boggy Bayou built?

It was built in 1982, making it 43 years old in 2025.

What condition is LA0169 over N. Fork Boggy 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 January 2025.

How much traffic does LA0169 over N. Fork Boggy Bayou carry?

About 1,909 vehicles per day (2021 count), of which roughly 19% are trucks.

How long is LA0169 over N. Fork Boggy Bayou?

The structure is 100 ft (30.5 m) long with a longest span of 20 ft (6.1 m) and a deck 43 ft wide.

Who owns LA0169 over N. Fork Boggy Bayou?

It is owned by the State Highway Agency.