US Bridges

LA0016 over Corkern Creek

Fair

Washington Parish, Louisiana · 1.1 M N of LA 1072 · Structure no. 625900580510411

Built
1955
70 years old
Condition
Fair
inspected June 2024
Type
Culvert
Concrete
Length
44 ft
4 main spans
Daily traffic
2,087
2021 count
Owner
State
State Highway Agency

About this bridge

LA0016 over Corkern Creek is a concrete culvert carrying LA0016 over Corkern Creek in Washington Parish, Louisiana. It was built in 1955, so it is 70 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 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 2,087 vehicles a day, roughly 12% of them trucks, projected to reach 2,295 by 2041. The structure is 44 ft (13.4 m) long and 90 ft wide.

CarriesLA0016
CrossesCorkern Creek
Location1.1 M N of LA 1072
RouteState Highway 16
Coordinates30.84199, -90.1532
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating34 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHS 20
Structure length44 ft (13.4 m)
Longest span10 ft (3 m)
Deck width90 ft (27.4 m)
Roadway width41 ft (12.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,087 (2021)
Projected traffic2,295 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 LA0016 over Corkern Creek built?

It was built in 1955, making it 70 years old in 2025.

What condition is LA0016 over Corkern Creek 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 June 2024.

How much traffic does LA0016 over Corkern Creek carry?

About 2,087 vehicles per day (2021 count), of which roughly 12% are trucks.

How long is LA0016 over Corkern Creek?

The structure is 44 ft (13.4 m) long with a longest span of 10 ft (3 m) and a deck 90 ft wide.

Who owns LA0016 over Corkern Creek?

It is owned by the State Highway Agency.