US Bridges

Oklahoma ST over Corporation Canal

Good

East Baton Rouge Parish, Louisiana · 80 E of Nicholson DR · Structure no. 611730259911121

Built
1971
54 years old
Condition
Good
inspected November 2023
Type
Slab
Concrete
Length
53 ft
2 main spans
Daily traffic
6,342
2021 count
Owner
County
County Highway Agency

About this bridge

Oklahoma ST over Corporation Canal is a concrete slab carrying Oklahoma ST over Corporation Canal in East Baton Rouge Parish, Louisiana. It was built in 1971, so it is 54 years old, older 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 6,342 vehicles a day, projected to reach 6,976 by 2041. The structure is 53 ft (16.2 m) long and 40 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesOklahoma ST
CrossesCorporation Canal
Location80 E of Nicholson DR
RouteCounty Highway 0
Coordinates30.43495, -91.18698
Functional classUrban Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length53 ft (16.2 m)
Longest span25 ft (7.6 m)
Deck width40 ft (12.2 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,342 (2021)
Projected traffic6,976 by 2041
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 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 Oklahoma ST over Corporation Canal built?

It was built in 1971, making it 54 years old in 2025.

What condition is Oklahoma ST over Corporation Canal 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 November 2023.

How much traffic does Oklahoma ST over Corporation Canal carry?

About 6,342 vehicles per day (2021 count).

How long is Oklahoma ST over Corporation Canal?

The structure is 53 ft (16.2 m) long with a longest span of 25 ft (7.6 m) and a deck 40 ft wide.

Who owns Oklahoma ST over Corporation Canal?

It is owned by the County Highway Agency.