US Bridges

I 55 over Slocum Road

Good

DeSoto County, Mississippi · 3.9 MI N Tate Cl · Structure no. 11000550172769A

Built
1959
66 years old, rebuilt 2020
Condition
Good
inspected March 2024
Type
Box Beam or Girders - Single or Spread
Concrete Continuous
Length
162 ft
3 main spans
Daily traffic
19,000
2023 count
Owner
State
State Highway Agency

About this bridge

I 55 over Slocum Road is a concrete continuous box beam or girders - single or spread carrying I 55 over Slocum Road in DeSoto County, Mississippi. It was built in 1959 and reconstructed in 2020, so it is 66 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 19,000 vehicles a day, roughly 14% of them trucks, projected to reach 49,500 by 2043. The structure is 162 ft (49.4 m) long and 30 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI 55
CrossesSlocum Road
Location3.9 MI N Tate Cl
RouteInterstate 55
Coordinates34.7803, -89.96581
Functional classRural 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.7 US tons
Inventory rating28 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length162 ft (49.4 m)
Longest span67 ft (20.4 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,000 (2023)
Projected traffic49,500 by 2043
Trucks14%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1,000 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 55 over Slocum Road built?

It was built in 1959, making it 66 years old in 2025. It was reconstructed in 2020.

What condition is I 55 over Slocum Road 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 March 2024.

How much traffic does I 55 over Slocum Road carry?

About 19,000 vehicles per day (2023 count), of which roughly 14% are trucks.

How long is I 55 over Slocum Road?

The structure is 162 ft (49.4 m) long with a longest span of 67 ft (20.4 m) and a deck 30 ft wide.

Who owns I 55 over Slocum Road?

It is owned by the State Highway Agency.