US Bridges

Commercial DR over Drainage Canal

Fair

West Baton Rouge Parish, Louisiana · 1.0 Mi. E. of LA 415 · Structure no. 616100000616104

Built
1970
55 years old
Condition
Fair
inspected June 2024
Type
Culvert
Concrete
Length
50 ft
4 main spans
Daily traffic
3,760
2022 count
Owner
County
County Highway Agency

About this bridge

Commercial DR over Drainage Canal is a concrete culvert carrying Commercial DR over Drainage Canal in West Baton Rouge Parish, Louisiana. It was built in 1970, so it is 55 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 3,760 vehicles a day, projected to reach 4,136 by 2042. The structure is 50 ft (15.2 m) long and 74 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesCommercial DR
CrossesDrainage Canal
Location1.0 Mi. E. of LA 415
RouteCounty Highway 0
CountyWest Baton Rouge Parish
StateLouisiana
Coordinates30.44699, -91.22903
Functional classRural Local

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.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 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 geometry7: Better than 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 loadUnknown
Structure length50 ft (15.2 m)
Longest span10 ft (3 m)
Deck width74 ft (22.6 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,760 (2022)
Projected traffic4,136 by 2042
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 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 Commercial DR over Drainage Canal built?

It was built in 1970, making it 55 years old in 2025.

What condition is Commercial DR over Drainage 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 June 2024.

How much traffic does Commercial DR over Drainage Canal carry?

About 3,760 vehicles per day (2022 count).

How long is Commercial DR over Drainage Canal?

The structure is 50 ft (15.2 m) long with a longest span of 10 ft (3 m) and a deck 74 ft wide.

Who owns Commercial DR over Drainage Canal?

It is owned by the County Highway Agency.