US Bridges

LA1072 over Drain

Fair

Washington Parish, Louisiana · 0.4 M E of LA 16 · Structure no. 625908592100581

Built
1978
47 years old
Condition
Fair
inspected July 2024
Type
Slab
Concrete
Length
58 ft
3 main spans
Daily traffic
1,105
2021 count
Owner
State
State Highway Agency

About this bridge

LA1072 over Drain is a concrete slab carrying LA1072 over Drain in Washington Parish, Louisiana. It was built in 1978, so it is 47 years old, older 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 5 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 1,105 vehicles a day, roughly 13% of them trucks, projected to reach 1,215 by 2041. The structure is 58 ft (17.7 m) long and 35 ft wide.

CarriesLA1072
CrossesDrain
Location0.4 M E of LA 16
RouteState Highway 1072
Coordinates30.82542, -90.1359
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72 US tons
Inventory rating43 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length58 ft (17.7 m)
Longest span19 ft (5.8 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.8 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 1978, making it 47 years old in 2025.

What condition is LA1072 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 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 58 ft (17.7 m) long with a longest span of 19 ft (5.8 m) and a deck 35 ft wide.

Who owns LA1072 over Drain?

It is owned by the State Highway Agency.