US Bridges

LA1072 over Drain

PoorPosted for load

Washington Parish, Louisiana · 0.9 M E of LA 16 · Structure no. 625908592101151

Built
1954
71 years old
Condition
Poor
inspected January 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
268 ft
14 main spans
Daily traffic
1,105
2021 count
Owner
State
State Highway Agency

About this bridge

LA1072 over Drain is a wood or timber stringer/multi-beam or girder carrying LA1072 over Drain in Washington Parish, Louisiana. It was built in 1954, so it is 71 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 1,105 vehicles a day, roughly 13% of them trucks, projected to reach 1,215 by 2041. The structure is 268 ft (81.7 m) long and 27 ft wide.

CarriesLA1072
CrossesDrain
Location0.9 M E of LA 16
RouteState Highway 1072
Coordinates30.82231, -90.1274
Functional classRural Minor 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating25 US tons
Inventory rating17.5 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans14
Design loadH 15
Structure length268 ft (81.7 m)
Longest span19 ft (5.8 m)
Deck width27 ft (8.3 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,105 (2021)
Projected traffic1,215 by 2041
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was LA1072 over Drain built?

It was built in 1954, making it 71 years old in 2025.

What condition is LA1072 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 January 2024.

How much traffic does LA1072 over Drain carry?

About 1,105 vehicles per day (2021 count), of which roughly 13% are trucks.

How long is LA1072 over Drain?

The structure is 268 ft (81.7 m) long with a longest span of 19 ft (5.8 m) and a deck 27 ft wide.

Who owns LA1072 over Drain?

It is owned by the State Highway Agency.