US Bridges

LA0004 over Drain

Poor

Bienville Parish, Louisiana · 9.4 MI East of LA 154 · Structure no. 040700670209911

Built
1972
53 years old
Condition
Poor
inspected April 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
38 ft
2 main spans
Daily traffic
1,558
2021 count
Owner
State
State Highway Agency

About this bridge

LA0004 over Drain is a wood or timber stringer/multi-beam or girder carrying LA0004 over Drain in Bienville Parish, Louisiana. It was built in 1972, so it is 53 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 3 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 1,558 vehicles a day, roughly 19% of them trucks, projected to reach 1,713 by 2041. The structure is 38 ft (11.6 m) long and 25 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesLA0004
CrossesDrain
Location9.4 MI East of LA 154
RouteState Highway 4
Coordinates32.25557, -93.1683
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating32 US tons
Inventory rating22 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans2
Design loadH 15
Structure length38 ft (11.6 m)
Longest span19 ft (5.8 m)
Deck width25 ft (7.6 m)
Roadway width23 ft (7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,558 (2021)
Projected traffic1,713 by 2041
Trucks19%
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

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$229,000
NavigationNo navigation control on waterway

Frequently asked questions

When was LA0004 over Drain built?

It was built in 1972, making it 53 years old in 2025.

What condition is LA0004 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 April 2024.

How much traffic does LA0004 over Drain carry?

About 1,558 vehicles per day (2021 count), of which roughly 19% are trucks.

How long is LA0004 over Drain?

The structure is 38 ft (11.6 m) long with a longest span of 19 ft (5.8 m) and a deck 25 ft wide.

Who owns LA0004 over Drain?

It is owned by the State Highway Agency.