US Bridges

I 55 over Ditch

Good

Madison County, Mississippi · 0.4 MI N SR 857 · Structure no. 110005504511340

Built
1961
64 years old
Condition
Good
inspected April 2024
Type
Culvert
Concrete
Length
26 ft
2 main spans
Daily traffic
40,000
2023 count
Owner
State
State Highway Agency

About this bridge

I 55 over Ditch is a concrete culvert carrying I 55 over Ditch in Madison County, Mississippi. It was built in 1961, so it is 64 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 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 40,000 vehicles a day, roughly 15% of them trucks, projected to reach 44,000 by 2043. The structure is 26 ft (7.9 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI 55
CrossesDitch
Location0.4 MI N SR 857
RouteInterstate 55
Coordinates32.546, -90.09161
Functional classUrban Principal Arterial - Interstate

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 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating105.5 US tons
Inventory rating63.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length26 ft (7.9 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40,000 (2023)
Projected traffic44,000 by 2043
Trucks15%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate 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 I 55 over Ditch built?

It was built in 1961, making it 64 years old in 2025.

What condition is I 55 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 April 2024.

How much traffic does I 55 over Ditch carry?

About 40,000 vehicles per day (2023 count), of which roughly 15% are trucks.

How long is I 55 over Ditch?

The structure is 26 ft (7.9 m) long with a longest span of 12 ft (3.7 m).

Who owns I 55 over Ditch?

It is owned by the State Highway Agency.