US Bridges

C. Corken RD over Bonner Creek

Good

Washington Parish, Louisiana · 0.3 Miles SW of LA 16 · Structure no. 625930480901211

Built
2001
24 years old
Condition
Good
inspected September 2023
Type
Culvert
Concrete
Length
23 ft
1 main span
Daily traffic
374
2020 count
Owner
County
County Highway Agency

About this bridge

C. Corken RD over Bonner Creek is a concrete culvert carrying C. Corken RD over Bonner Creek in Washington Parish, Louisiana. It was built in 2001, so it is 24 years old, younger than the Louisiana average of 43 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 374 vehicles a day, projected to reach 411 by 2040. The structure is 23 ft (7 m) long and 41 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesC. Corken RD
CrossesBonner Creek
Location0.3 Miles SW of LA 16
RouteCounty Highway 0
Coordinates30.79929, -90.20269
Functional classRural Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating44 US tons
Inventory rating34 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length23 ft (7 m)
Longest span23 ft (7 m)
Deck width41 ft (12.5 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic374 (2020)
Projected traffic411 by 2040
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was C. Corken RD over Bonner Creek built?

It was built in 2001, making it 24 years old in 2025.

What condition is C. Corken RD over Bonner Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2023.

How much traffic does C. Corken RD over Bonner Creek carry?

About 374 vehicles per day (2020 count).

How long is C. Corken RD over Bonner Creek?

The structure is 23 ft (7 m) long with a longest span of 23 ft (7 m) and a deck 41 ft wide.

Who owns C. Corken RD over Bonner Creek?

It is owned by the County Highway Agency.