US Bridges

Roddy RD over Bert Allen Ditch

GoodPosted for load

Ascension Parish, Louisiana · 0.3 Miles North of JCT LA · Structure no. 610300000610279

Built
2009
16 years old
Condition
Good
inspected April 2023
Type
Culvert
Concrete
Length
34 ft
3 main spans
Daily traffic
1,200
2019 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Roddy RD over Bert Allen Ditch is a concrete culvert carrying Roddy RD over Bert Allen Ditch in Ascension Parish, Louisiana. It was built in 2009, so it is 16 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. Its operating status is: posted for load restriction.

It carries about 1,200 vehicles a day, projected to reach 1,320 by 2039. The structure is 34 ft (10.4 m) long and 65 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesRoddy RD
CrossesBert Allen Ditch
Location0.3 Miles North of JCT LA
RouteCounty Highway 0
Coordinates30.27366, -90.90436
Functional classRural Local

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating30.3 US tons
Inventory rating23.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length34 ft (10.4 m)
Longest span10 ft (3 m)
Deck width65 ft (19.8 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,200 (2019)
Projected traffic1,320 by 2039
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

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 Roddy RD over Bert Allen Ditch built?

It was built in 2009, making it 16 years old in 2025.

What condition is Roddy RD over Bert Allen Ditch 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 April 2023.

How much traffic does Roddy RD over Bert Allen Ditch carry?

About 1,200 vehicles per day (2019 count).

How long is Roddy RD over Bert Allen Ditch?

The structure is 34 ft (10.4 m) long with a longest span of 10 ft (3 m) and a deck 65 ft wide.

Who owns Roddy RD over Bert Allen Ditch?

It is owned by the Town or Township Highway Agency.