US Bridges

LA0169 over Johnson Branch

Fair

Caddo Parish, Louisiana · 0.77M North of LA 789 · Structure no. 040902970308711

Built
1993
32 years old
Condition
Fair
inspected February 2025
Type
Slab
Concrete
Length
100 ft
5 main spans
Daily traffic
1,540
2021 count
Owner
State
State Highway Agency

About this bridge

LA0169 over Johnson Branch is a concrete slab carrying LA0169 over Johnson Branch in Caddo Parish, Louisiana. It was built in 1993, so it is 32 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 1,540 vehicles a day, roughly 19% of them trucks, projected to reach 1,694 by 2041. The structure is 100 ft (30.5 m) long and 33 ft wide. If it were closed, the detour would be 36 mi (58 km).

CarriesLA0169
CrossesJohnson Branch
Location0.77M North of LA 789
RouteState Highway 169
Coordinates32.30763, -93.9437
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2025
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 width33 ft (10.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,540 (2021)
Projected traffic1,694 by 2041
Trucks19%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed36 mi (58 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 Johnson Branch built?

It was built in 1993, making it 32 years old in 2025.

What condition is LA0169 over Johnson Branch 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 February 2025.

How much traffic does LA0169 over Johnson Branch carry?

About 1,540 vehicles per day (2021 count), of which roughly 19% are trucks.

How long is LA0169 over Johnson Branch?

The structure is 100 ft (30.5 m) long with a longest span of 20 ft (6.1 m) and a deck 33 ft wide.

Who owns LA0169 over Johnson Branch?

It is owned by the State Highway Agency.