US Bridges

I 55 over Canton Mart Road

Fair

Hinds County, Mississippi · 0.7 MI N Northside DR · Structure no. 11000550250998B

Built
1987
38 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
747 ft
8 main spans
Daily traffic
50,500
2023 count
Owner
State
State Highway Agency

About this bridge

I 55 over Canton Mart Road is a prestressed concrete continuous stringer/multi-beam or girder carrying I 55 over Canton Mart Road in Hinds County, Mississippi. It was built in 1987, so it is 38 years old, younger 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 50,500 vehicles a day, roughly 9% of them trucks, projected to reach 52,000 by 2043. The structure is 747 ft (227.7 m) long and 71 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI 55
CrossesCanton Mart Road
Location0.7 MI N Northside DR
RouteInterstate 55
CountyHinds County
StateMississippi
Coordinates32.36729, -90.14976
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations on dry land well above flood water elevations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.3 US tons
Inventory rating24.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans8
Design loadHS 20 + Mod
Structure length747 ft (227.7 m)
Longest span108 ft (32.9 m)
Deck width71 ft (21.7 m)
Roadway width68 ft (20.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50,500 (2023)
Projected traffic52,000 by 2043
Trucks9%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and waterway
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 Canton Mart Road built?

It was built in 1987, making it 38 years old in 2025.

What condition is I 55 over Canton Mart Road 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 June 2024.

How much traffic does I 55 over Canton Mart Road carry?

About 50,500 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is I 55 over Canton Mart Road?

The structure is 747 ft (227.7 m) long with a longest span of 108 ft (32.9 m) and a deck 71 ft wide.

Who owns I 55 over Canton Mart Road?

It is owned by the State Highway Agency.