US Bridges

Spellman RD over Drainage Ditch

Good

Ascension Parish, Louisiana · 1.5 MI S Dutchtown · Structure no. 610330139905941

Built
1988
37 years old
Condition
Good
inspected February 2023
Type
Culvert
Concrete
Length
23 ft
3 main spans
Daily traffic
25
2019 count
Owner
County
County Highway Agency

About this bridge

Spellman RD over Drainage Ditch is a concrete culvert carrying Spellman RD over Drainage Ditch in Ascension Parish, Louisiana. It was built in 1988, so it is 37 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 25 vehicles a day, projected to reach 27 by 2039. The structure is 23 ft (7 m) long and 27 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesSpellman RD
CrossesDrainage Ditch
Location1.5 MI S Dutchtown
RouteCounty Highway 0
Coordinates30.23393, -90.99157
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 inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating34 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length23 ft (7 m)
Longest span7 ft (2.1 m)
Deck width27 ft (8.2 m)
Roadway width19 ft (5.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2019)
Projected traffic27 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

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 Spellman RD over Drainage Ditch built?

It was built in 1988, making it 37 years old in 2025.

What condition is Spellman RD over Drainage 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 February 2023.

How much traffic does Spellman RD over Drainage Ditch carry?

About 25 vehicles per day (2019 count).

How long is Spellman RD over Drainage Ditch?

The structure is 23 ft (7 m) long with a longest span of 7 ft (2.1 m) and a deck 27 ft wide.

Who owns Spellman RD over Drainage Ditch?

It is owned by the County Highway Agency.