US Bridges

SR 7 over Sand Ditch

Fair

Marshall County, Mississippi · 1.2 MI N SR 311 · Structure no. 310000704715170

Built
1940
85 years old
Condition
Fair
inspected July 2023
Type
Culvert
Concrete
Length
48 ft
2 main spans
Daily traffic
1,900
2023 count
Owner
State
State Highway Agency

About this bridge

SR 7 over Sand Ditch is a concrete culvert carrying SR 7 over Sand Ditch in Marshall County, Mississippi. It was built in 1940, so it is 85 years old, older than the Mississippi average of 38.9 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 1,900 vehicles a day, roughly 11% of them trucks, projected to reach 2,600 by 2043. The structure is 48 ft (14.6 m) long. If it were closed, the detour would be 49.7 mi (80 km).

Location

Open in Google Maps
CarriesSR 7
CrossesSand Ditch
Location1.2 MI N SR 311
RouteState Highway 7
CountyMarshall County
StateMississippi
Coordinates34.80699, -89.44275
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 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
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42 US tons
Inventory rating25.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 15
Structure length48 ft (14.6 m)
Longest span16 ft (4.9 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,900 (2023)
Projected traffic2,600 by 2043
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed49.7 mi (80 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$50 million
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 7 over Sand Ditch built?

It was built in 1940, making it 85 years old in 2025.

What condition is SR 7 over Sand Ditch 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 2023.

How much traffic does SR 7 over Sand Ditch carry?

About 1,900 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is SR 7 over Sand Ditch?

The structure is 48 ft (14.6 m) long with a longest span of 16 ft (4.9 m).

Who owns SR 7 over Sand Ditch?

It is owned by the State Highway Agency.