US Bridges

US0051 over Drain

Good

Tangipahoa Parish, Louisiana · 0.1 M N of LA 440 · Structure no. 625300170603621

Built
1956
69 years old
Condition
Good
inspected April 2023
Type
Culvert
Concrete
Length
55 ft
8 main spans
Daily traffic
2,266
2021 count
Owner
State
State Highway Agency

About this bridge

US0051 over Drain is a concrete culvert carrying US0051 over Drain in Tangipahoa Parish, Louisiana. It was built in 1956, so it is 69 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 2,266 vehicles a day, roughly 12% of them trucks, projected to reach 2,492 by 2041. The structure is 55 ft (16.8 m) long and 48 ft wide.

CarriesUS0051
CrossesDrain
Location0.1 M N of LA 440
RouteU.S. Route 51
Coordinates30.87691, -90.5117
Functional classRural Major Collector

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.
Culvert8 Very GoodNo problems noted.
Last inspectionApril 2023
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 geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating30.8 US tons
Inventory rating23.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans8
Design loadH 15
Structure length55 ft (16.8 m)
Longest span6 ft (1.8 m)
Deck width48 ft (14.6 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,266 (2021)
Projected traffic2,492 by 2041
Trucks12%
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 US0051 over Drain built?

It was built in 1956, making it 69 years old in 2025.

What condition is US0051 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 April 2023.

How much traffic does US0051 over Drain carry?

About 2,266 vehicles per day (2021 count), of which roughly 12% are trucks.

How long is US0051 over Drain?

The structure is 55 ft (16.8 m) long with a longest span of 6 ft (1.8 m) and a deck 48 ft wide.

Who owns US0051 over Drain?

It is owned by the State Highway Agency.