US Bridges

LA0109 over Drain

Poor

Beauregard Parish, Louisiana · 2.3 MI W of LA 27 · Structure no. 070603770209241

Built
1963
62 years old
Condition
Poor
inspected March 2023
Type
Culvert
Steel
Length
38 ft
3 main spans
Daily traffic
674
2022 count
Owner
State
State Highway Agency

About this bridge

LA0109 over Drain is a steel culvert carrying LA0109 over Drain in Beauregard Parish, Louisiana. It was built in 1963, so it is 62 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.

It carries about 674 vehicles a day, roughly 17% of them trucks, projected to reach 741 by 2042. The structure is 38 ft (11.6 m) long and 36 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesLA0109
CrossesDrain
Location2.3 MI W of LA 27
RouteState Highway 109
Coordinates30.60172, -93.45641
Functional classRural Major Collector

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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating69.3 US tons
Inventory rating63.9 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans3
Design loadH 15
Structure length38 ft (11.6 m)
Longest span11 ft (3.4 m)
Deck width36 ft (11.1 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic674 (2022)
Projected traffic741 by 2042
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 LA0109 over Drain built?

It was built in 1963, making it 62 years old in 2025.

What condition is LA0109 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 March 2023.

How much traffic does LA0109 over Drain carry?

About 674 vehicles per day (2022 count), of which roughly 17% are trucks.

How long is LA0109 over Drain?

The structure is 38 ft (11.6 m) long with a longest span of 11 ft (3.4 m) and a deck 36 ft wide.

Who owns LA0109 over Drain?

It is owned by the State Highway Agency.