US Bridges

I 55 over Hickahala Relief

Good

Tate County, Mississippi · 2.1 MI N SR 4 · Structure no. 11000550692675A

Built
2022
3 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
802 ft
8 main spans
Daily traffic
15,000
2023 count
Owner
State
State Highway Agency

About this bridge

I 55 over Hickahala Relief is a prestressed concrete stringer/multi-beam or girder carrying I 55 over Hickahala Relief in Tate County, Mississippi. It was built in 2022, so it is 3 years old, younger 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 15,000 vehicles a day, roughly 19% of them trucks, projected to reach 19,000 by 2043. The structure is 802 ft (244.5 m) long and 44 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI 55
CrossesHickahala Relief
Location2.1 MI N SR 4
RouteInterstate 55
Coordinates34.65033, -89.95945
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.3 US tons
Inventory rating48.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans8
Design loadHL 93
Structure length802 ft (244.5 m)
Longest span101 ft (30.8 m)
Deck width44 ft (13.5 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,000 (2023)
Projected traffic19,000 by 2043
Trucks19%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRelief for 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 Hickahala Relief built?

It was built in 2022, making it 3 years old in 2025.

What condition is I 55 over Hickahala Relief 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 September 2024.

How much traffic does I 55 over Hickahala Relief carry?

About 15,000 vehicles per day (2023 count), of which roughly 19% are trucks.

How long is I 55 over Hickahala Relief?

The structure is 802 ft (244.5 m) long with a longest span of 101 ft (30.8 m) and a deck 44 ft wide.

Who owns I 55 over Hickahala Relief?

It is owned by the State Highway Agency.