US Bridges

US 51 over Ditch

Good

Madison County, Mississippi · 1.6 MI N SR 463 · Structure no. 210005104511220

Built
1986
39 years old
Condition
Good
inspected March 2024
Type
Culvert
Concrete
Length
36 ft
2 main spans
Daily traffic
13,000
2023 count
Owner
State
State Highway Agency

About this bridge

US 51 over Ditch is a concrete culvert carrying US 51 over Ditch in Madison County, Mississippi. It was built in 1986, so it is 39 years old, older than the Mississippi average of 38.9 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 13,000 vehicles a day, roughly 2% of them trucks, projected to reach 13,000 by 2043. The structure is 36 ft (11 m) long. If it were closed, the detour would be 16.2 mi (26 km).

CarriesUS 51
CrossesDitch
Location1.6 MI N SR 463
RouteU.S. Route 51
Coordinates32.4857, -90.09891
Functional classUrban Other Principal 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 inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.2 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20 + Mod
Structure length36 ft (11 m)
Longest span14 ft (4.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,000 (2023)
Projected traffic13,000 by 2043
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.2 mi (26 km)
TollOn a free road
National Highway SystemYes

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 US 51 over Ditch built?

It was built in 1986, making it 39 years old in 2025.

What condition is US 51 over Ditch 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 March 2024.

How much traffic does US 51 over Ditch carry?

About 13,000 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is US 51 over Ditch?

The structure is 36 ft (11 m) long with a longest span of 14 ft (4.3 m).

Who owns US 51 over Ditch?

It is owned by the State Highway Agency.