US Bridges

SR 178 over Ditch

Fair

Itawamba County, Mississippi · 1.8 MI E SR 23 S · Structure no. 210007802911850

Built
1938
87 years old
Condition
Fair
inspected August 2024
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
550
2023 count
Owner
State
State Highway Agency

About this bridge

SR 178 over Ditch is a concrete culvert carrying SR 178 over Ditch in Itawamba County, Mississippi. It was built in 1938, so it is 87 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 6 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 550 vehicles a day, roughly 11% of them trucks, projected to reach 550 by 2043. The structure is 21 ft (6.5 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSR 178
CrossesDitch
Location1.8 MI E SR 23 S
RouteState Highway 178
Coordinates34.22512, -88.22738
Functional classRural Major Collector

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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
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 rating38.9 US tons
Inventory rating23.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 15
Structure length21 ft (6.5 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic550 (2023)
Projected traffic550 by 2043
Trucks11%
Lanes on structure20
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
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 SR 178 over Ditch built?

It was built in 1938, making it 87 years old in 2025.

What condition is SR 178 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 August 2024.

How much traffic does SR 178 over Ditch carry?

About 550 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is SR 178 over Ditch?

The structure is 21 ft (6.5 m) long with a longest span of 10 ft (3 m).

Who owns SR 178 over Ditch?

It is owned by the State Highway Agency.