US Bridges

New River Canal RD over Drainage Bayou

Fair

Ascension Parish, Louisiana · 1.3 Mi. S. Dutchtown · Structure no. 610330142905911

Built
2001
24 years old
Condition
Fair
inspected April 2023
Type
Slab
Concrete
Length
60 ft
3 main spans
Daily traffic
100
2019 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

New River Canal RD over Drainage Bayou is a concrete slab carrying New River Canal RD over Drainage Bayou in Ascension 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 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 100 vehicles a day, projected to reach 110 by 2039. The structure is 60 ft (18.3 m) long and 26 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

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CarriesNew River Canal RD
CrossesDrainage Bayou
Location1.3 Mi. S. Dutchtown
RouteCounty Highway 0
CountyAscension Parish
StateLouisiana
Coordinates30.2359, -90.98594
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2023
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 rating57.9 US tons
Inventory rating44.6 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length60 ft (18.3 m)
Longest span20 ft (6.1 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2019)
Projected traffic110 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was New River Canal RD over Drainage Bayou built?

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

What condition is New River Canal RD over Drainage Bayou 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 April 2023.

How much traffic does New River Canal RD over Drainage Bayou carry?

About 100 vehicles per day (2019 count).

How long is New River Canal RD over Drainage Bayou?

The structure is 60 ft (18.3 m) long with a longest span of 20 ft (6.1 m) and a deck 26 ft wide.

Who owns New River Canal RD over Drainage Bayou?

It is owned by the Town or Township Highway Agency.