US Bridges

I 22 over SR 178

Fair

Lee County, Mississippi · 2.8 MI E Pontotoc Cl · Structure no. 21000780410831A

Built
1981
44 years old
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
368 ft
2 main spans
Daily traffic
16,500
2023 count
Owner
State
State Highway Agency

About this bridge

I 22 over SR 178 is a prestressed concrete continuous stringer/multi-beam or girder carrying I 22 over SR 178 in Lee County, Mississippi. It was built in 1981, so it is 44 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 6 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 16,500 vehicles a day, roughly 28% of them trucks, projected to reach 20,500 by 2043. The structure is 368 ft (112.1 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI 22
CrossesSR 178
Location2.8 MI E Pontotoc Cl
RouteInterstate 22
Coordinates34.31426, -88.78859
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.9 US tons
Inventory rating32.4 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHS 20
Structure length368 ft (112.1 m)
Longest span103 ft (31.4 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,500 (2023)
Projected traffic20,500 by 2043
Trucks28%
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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 22 over SR 178 built?

It was built in 1981, making it 44 years old in 2025.

What condition is I 22 over SR 178 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 December 2024.

How much traffic does I 22 over SR 178 carry?

About 16,500 vehicles per day (2023 count), of which roughly 28% are trucks.

How long is I 22 over SR 178?

The structure is 368 ft (112.1 m) long with a longest span of 103 ft (31.4 m) and a deck 43 ft wide.

Who owns I 22 over SR 178?

It is owned by the State Highway Agency.