US Bridges

I 22 over SR 9

Fair

Union County, Mississippi · US 78 over SR 9 North · Structure no. 21000780730752A

Built
1978
47 years old
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
230 ft
3 main spans
Daily traffic
14,000
2023 count
Owner
State
State Highway Agency

About this bridge

I 22 over SR 9 is a prestressed concrete continuous stringer/multi-beam or girder carrying I 22 over SR 9 in Union 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 14,000 by 2043. The structure is 230 ft (70.2 m) long and 41 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI 22
CrossesSR 9
LocationUS 78 over SR 9 North
RouteInterstate 22
CountyUnion County
StateMississippi
Coordinates34.38651, -88.89069
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78.3 US tons
Inventory rating46.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length230 ft (70.2 m)
Longest span94 ft (28.7 m)
Deck width41 ft (12.6 m)
Roadway width38 ft (11.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,000 (2023)
Projected traffic14,000 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 December 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 230 ft (70.2 m) long with a longest span of 94 ft (28.7 m) and a deck 41 ft wide.

Who owns I 22 over SR 9?

It is owned by the State Highway Agency.