US Bridges

US 78 over Ditch

Fair

DeSoto County, Mississippi · 0.8 MI E SR 305 · Structure no. 210007801700510

Built
1972
53 years old
Condition
Fair
inspected April 2023
Type
Culvert
Concrete
Length
32 ft
2 main spans
Daily traffic
30,000
2023 count
Owner
State
State Highway Agency

About this bridge

US 78 over Ditch is a concrete culvert carrying US 78 over Ditch in DeSoto County, Mississippi. It was built in 1972, so it is 53 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 30,000 vehicles a day, roughly 18% of them trucks, projected to reach 30,000 by 2043. The structure is 32 ft (9.8 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 78
CrossesDitch
Location0.8 MI E SR 305
RouteU.S. Route 78
Coordinates34.93895, -89.82002
Functional classUrban Principal Arterial - Other Freeway or Expressway

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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55.6 US tons
Inventory rating32.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length32 ft (9.8 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 traffic30,000 (2023)
Projected traffic30,000 by 2043
Trucks18%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
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 US 78 over Ditch built?

It was built in 1972, making it 53 years old in 2025.

What condition is US 78 over 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 April 2023.

How much traffic does US 78 over Ditch carry?

About 30,000 vehicles per day (2023 count), of which roughly 18% are trucks.

How long is US 78 over Ditch?

The structure is 32 ft (9.8 m) long with a longest span of 14 ft (4.3 m).

Who owns US 78 over Ditch?

It is owned by the State Highway Agency.