US Bridges

Rostrom Road over Drain

PoorPosted for load

Jefferson Davis Parish, Louisiana · 3.6 MI S of LA 102 · Structure no. 072730187925261

Built
1980
45 years old
Condition
Poor
inspected October 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
40 ft
2 main spans
Daily traffic
70
2019 count
Owner
County
County Highway Agency

About this bridge

Rostrom Road over Drain is a wood or timber stringer/multi-beam or girder carrying Rostrom Road over Drain in Jefferson Davis Parish, Louisiana. It was built in 1980, so it is 45 years old, older than the Louisiana average of 43 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 70 vehicles a day, projected to reach 77 by 2039. The structure is 40 ft (12.2 m) long and 22 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesRostrom Road
CrossesDrain
Location3.6 MI S of LA 102
RouteCounty Highway 0
CountyJefferson Davis Parish
StateLouisiana
Coordinates30.31354, -92.87778
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating15 US tons
Inventory rating10 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckWood or timber
Main spans2
Design loadH 15
Structure length40 ft (12.2 m)
Longest span20 ft (6.1 m)
Deck width22 ft (6.7 m)
Roadway width20 ft (6.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic70 (2019)
Projected traffic77 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 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 Rostrom Road over Drain built?

It was built in 1980, making it 45 years old in 2025.

What condition is Rostrom Road over Drain in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in October 2024.

How much traffic does Rostrom Road over Drain carry?

About 70 vehicles per day (2019 count).

How long is Rostrom Road over Drain?

The structure is 40 ft (12.2 m) long with a longest span of 20 ft (6.1 m) and a deck 22 ft wide.

Who owns Rostrom Road over Drain?

It is owned by the County Highway Agency.