US Bridges

Rostrom Road over Drain

Fair

Jefferson Davis Parish, Louisiana · 2.4 MI S of LA 102 · Structure no. 072730197925261

Built
1999
26 years old
Condition
Fair
inspected July 2024
Type
Culvert
Concrete
Length
28 ft
3 main spans
Daily traffic
150
2019 count
Owner
County
County Highway Agency

About this bridge

Rostrom Road over Drain is a concrete culvert carrying Rostrom Road over Drain in Jefferson Davis Parish, Louisiana. It was built in 1999, so it is 26 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 150 vehicles a day, projected to reach 165 by 2039. The structure is 28 ft (8.5 m) long and 44 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesRostrom Road
CrossesDrain
Location2.4 MI S of LA 102
RouteCounty Highway 0
Coordinates30.33026, -92.87785
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 protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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 spans3
Design loadHS 20
Structure length28 ft (8.5 m)
Longest span8 ft (2.4 m)
Deck width44 ft (13.5 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2019)
Projected traffic165 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byTown or Township 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 Rostrom Road over Drain built?

It was built in 1999, making it 26 years old in 2025.

What condition is Rostrom Road over Drain 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 July 2024.

How much traffic does Rostrom Road over Drain carry?

About 150 vehicles per day (2019 count).

How long is Rostrom Road over Drain?

The structure is 28 ft (8.5 m) long with a longest span of 8 ft (2.4 m) and a deck 44 ft wide.

Who owns Rostrom Road over Drain?

It is owned by the County Highway Agency and maintained by the Town or Township Highway Agency.