US Bridges

I 55 over Horn Lake Creek

Fair

DeSoto County, Mississippi · 2.9 MI S Tenn ST Line · Structure no. 11000550172893A

Built
1958
67 years old
Condition
Fair
inspected March 2024
Type
Box Beam or Girders - Single or Spread
Concrete Continuous
Length
282 ft
3 main spans
Daily traffic
34,500
2023 count
Owner
State
State Highway Agency

About this bridge

I 55 over Horn Lake Creek is a concrete continuous box beam or girders - single or spread carrying I 55 over Horn Lake Creek in DeSoto County, Mississippi. It was built in 1958, so it is 67 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 34,500 vehicles a day, roughly 19% of them trucks, projected to reach 41,000 by 2043. The structure is 282 ft (86 m) long and 30 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI 55
CrossesHorn Lake Creek
Location2.9 MI S Tenn ST Line
RouteInterstate 55
Coordinates34.95392, -89.99797
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
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 (+3 approach)
Design loadHS 20 + Mod
Structure length282 ft (86 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 traffic34,500 (2023)
Projected traffic41,000 by 2043
Trucks19%
Lanes on structure2
Traffic directionOne-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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1,000 million
NavigationNo navigation control on waterway

Frequently asked questions

When was I 55 over Horn Lake Creek built?

It was built in 1958, making it 67 years old in 2025.

What condition is I 55 over Horn Lake Creek 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 March 2024.

How much traffic does I 55 over Horn Lake Creek carry?

About 34,500 vehicles per day (2023 count), of which roughly 19% are trucks.

How long is I 55 over Horn Lake Creek?

The structure is 282 ft (86 m) long with a longest span of 67 ft (20.4 m) and a deck 30 ft wide.

Who owns I 55 over Horn Lake Creek?

It is owned by the State Highway Agency.