US Bridges

I 22 over SR 9

Fair

Pontotoc County, Mississippi · US 78 over SR 9 South · Structure no. 21000780580788A

Built
1978
47 years old
Condition
Fair
inspected April 2023
Type
Box Beam or Girders - Single or Spread
Concrete Continuous
Length
317 ft
1 main span
Daily traffic
14,000
2023 count
Owner
State
State Highway Agency

About this bridge

I 22 over SR 9 is a concrete continuous box beam or girders - single or spread carrying I 22 over SR 9 in Pontotoc County, Mississippi. It was built in 1978, so it is 47 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 14,000 vehicles a day, roughly 32% of them trucks, projected to reach 20,000 by 2043. The structure is 317 ft (96.7 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI 22
CrossesSR 9
LocationUS 78 over SR 9 South
RouteInterstate 22
Coordinates34.35415, -88.84068
Functional classRural 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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating73.4 US tons
Inventory rating45.4 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHS 20
Structure length317 ft (96.7 m)
Longest span134 ft (40.8 m)
Deck width42 ft (12.7 m)
Roadway width38 ft (11.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,000 (2023)
Projected traffic20,000 by 2043
Trucks32%
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 9 built?

It was built in 1978, making it 47 years old in 2025.

What condition is I 22 over SR 9 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 April 2023.

How much traffic does I 22 over SR 9 carry?

About 14,000 vehicles per day (2023 count), of which roughly 32% are trucks.

How long is I 22 over SR 9?

The structure is 317 ft (96.7 m) long with a longest span of 134 ft (40.8 m) and a deck 42 ft wide.

Who owns I 22 over SR 9?

It is owned by the State Highway Agency.