US Bridges

US0071 over Drain

Good

Caddo Parish, Louisiana · 7.8 MI North of LA 2 · Structure no. 040900110412251

Built
1935
90 years old, rebuilt 1999
Condition
Good
inspected January 2024
Type
Culvert
Concrete
Length
23 ft
2 main spans
Daily traffic
349
2021 count
Owner
State
State Highway Agency

About this bridge

US0071 over Drain is a concrete culvert carrying US0071 over Drain in Caddo Parish, Louisiana. It was built in 1935 and reconstructed in 1999, so it is 90 years old, older than the Louisiana average of 43 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 349 vehicles a day, roughly 26% of them trucks, projected to reach 383 by 2041. The structure is 23 ft (7 m) long and 58 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesUS0071
CrossesDrain
Location7.8 MI North of LA 2
RouteU.S. Route 71
Coordinates32.99369, -93.8954
Functional classRural Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating34 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 15
Structure length23 ft (7 m)
Longest span10 ft (3 m)
Deck width58 ft (17.7 m)
Roadway width40 ft (12.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic349 (2021)
Projected traffic383 by 2041
Trucks26%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo
Strategic Highway NetworkNon-Interstate STRAHNET route

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 US0071 over Drain built?

It was built in 1935, making it 90 years old in 2025. It was reconstructed in 1999.

What condition is US0071 over Drain in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in January 2024.

How much traffic does US0071 over Drain carry?

About 349 vehicles per day (2021 count), of which roughly 26% are trucks.

How long is US0071 over Drain?

The structure is 23 ft (7 m) long with a longest span of 10 ft (3 m) and a deck 58 ft wide.

Who owns US0071 over Drain?

It is owned by the State Highway Agency.