US Bridges

LA0169 over Drain

Fair

Caddo Parish, Louisiana · 7.29 MI South of LA 538 · Structure no. 040900480302251

Built
1978
47 years old
Condition
Fair
inspected January 2025
Type
Slab
Concrete
Length
38 ft
2 main spans
Daily traffic
1,085
2021 count
Owner
State
State Highway Agency

About this bridge

LA0169 over Drain is a concrete slab carrying LA0169 over Drain in Caddo Parish, Louisiana. It was built in 1978, so it is 47 years old, older 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 1,085 vehicles a day, roughly 19% of them trucks, projected to reach 1,193 by 2041. The structure is 38 ft (11.6 m) long and 31 ft wide. If it were closed, the detour would be 13 mi (21 km).

CarriesLA0169
CrossesDrain
Location7.29 MI South of LA 538
RouteState Highway 169
Coordinates32.59019, -93.9816
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating34.3 US tons
Inventory rating26.5 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length38 ft (11.6 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 traffic1,085 (2021)
Projected traffic1,193 by 2041
Trucks19%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13 mi (21 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 Drain built?

It was built in 1978, making it 47 years old in 2025.

What condition is LA0169 over Drain 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 Drain carry?

About 1,085 vehicles per day (2021 count), of which roughly 19% are trucks.

How long is LA0169 over Drain?

The structure is 38 ft (11.6 m) long with a longest span of 19 ft (5.8 m) and a deck 31 ft wide.

Who owns LA0169 over Drain?

It is owned by the State Highway Agency.