US Bridges

LA0022 over Chinquapin Canal

Fair

Livingston Parish, Louisiana · 3.8 M E of LA 16 · Structure no. 623202600304351

Built
1973
52 years old
Condition
Fair
inspected February 2024
Type
Slab
Concrete
Length
134 ft
7 main spans
Daily traffic
2,201
2021 count
Owner
State
State Highway Agency

About this bridge

LA0022 over Chinquapin Canal is a concrete slab carrying LA0022 over Chinquapin Canal in Livingston Parish, Louisiana. It was built in 1973, so it is 52 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 2,201 vehicles a day, roughly 12% of them trucks, projected to reach 2,421 by 2041. The structure is 134 ft (40.8 m) long and 35 ft wide.

CarriesLA0022
CrossesChinquapin Canal
Location3.8 M E of LA 16
RouteState Highway 22
Coordinates30.25985, -90.7158
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.
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 inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating32.8 US tons
Inventory rating25.4 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans7
Design loadHS 20
Structure length134 ft (40.8 m)
Longest span19 ft (5.8 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,201 (2021)
Projected traffic2,421 by 2041
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 LA0022 over Chinquapin Canal built?

It was built in 1973, making it 52 years old in 2025.

What condition is LA0022 over Chinquapin Canal 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 2024.

How much traffic does LA0022 over Chinquapin Canal carry?

About 2,201 vehicles per day (2021 count), of which roughly 12% are trucks.

How long is LA0022 over Chinquapin Canal?

The structure is 134 ft (40.8 m) long with a longest span of 19 ft (5.8 m) and a deck 35 ft wide.

Who owns LA0022 over Chinquapin Canal?

It is owned by the State Highway Agency.