US Bridges

Garcille RD over Oberlin Ditch

Fair

Allen Parish, Louisiana · 0.5 MI N of 9th Ave · Structure no. 070230380924611

Built
1997
28 years old
Condition
Fair
inspected September 2023
Type
Culvert
Concrete
Length
31 ft
3 main spans
Daily traffic
300
2019 count
Owner
County
County Highway Agency

About this bridge

Garcille RD over Oberlin Ditch is a concrete culvert carrying Garcille RD over Oberlin Ditch in Allen Parish, Louisiana. It was built in 1997, so it is 28 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 300 vehicles a day, projected to reach 330 by 2039. The structure is 31 ft (9.4 m) long and 44 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesGarcille RD
CrossesOberlin Ditch
Location0.5 MI N of 9th Ave
RouteCounty Highway 0
CountyAllen Parish
StateLouisiana
Coordinates30.63321, -92.7691
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to 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 length31 ft (9.4 m)
Longest span9 ft (2.7 m)
Deck width44 ft (13.5 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2019)
Projected traffic330 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

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 Garcille RD over Oberlin Ditch built?

It was built in 1997, making it 28 years old in 2025.

What condition is Garcille RD over Oberlin Ditch 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 September 2023.

How much traffic does Garcille RD over Oberlin Ditch carry?

About 300 vehicles per day (2019 count).

How long is Garcille RD over Oberlin Ditch?

The structure is 31 ft (9.4 m) long with a longest span of 9 ft (2.7 m) and a deck 44 ft wide.

Who owns Garcille RD over Oberlin Ditch?

It is owned by the County Highway Agency.