US Bridges

I 22 over US 45

Fair

Lee County, Mississippi · US 78 over US 45 · Structure no. 21000780410882A

Built
1981
44 years old
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
346 ft
2 main spans
Daily traffic
16,000
2023 count
Owner
State
State Highway Agency

About this bridge

I 22 over US 45 is a prestressed concrete stringer/multi-beam or girder carrying I 22 over US 45 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 16,000 vehicles a day, roughly 25% of them trucks, projected to reach 20,000 by 2043. The structure is 346 ft (105.6 m) long and 51 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI 22
CrossesUS 45
LocationUS 78 over US 45
RouteInterstate 22
Coordinates34.29498, -88.70215
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.
Superstructure8 Very GoodNo problems noted.
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 geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.5 US tons
Inventory rating39.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHS 20
Structure length346 ft (105.6 m)
Longest span89 ft (27.1 m)
Deck width51 ft (15.6 m)
Roadway width49 ft (14.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,000 (2023)
Projected traffic20,000 by 2043
Trucks25%
Lanes on structure3
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 US 45 built?

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

What condition is I 22 over US 45 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 US 45 carry?

About 16,000 vehicles per day (2023 count), of which roughly 25% are trucks.

How long is I 22 over US 45?

The structure is 346 ft (105.6 m) long with a longest span of 89 ft (27.1 m) and a deck 51 ft wide.

Who owns I 22 over US 45?

It is owned by the State Highway Agency.