US Bridges

I 22 over Okannattie Creek Relief

Good

Union County, Mississippi · 5.7 MI E SR 15 · Structure no. 210007807307170

Built
1979
46 years old
Condition
Good
inspected December 2023
Type
Culvert
Concrete
Length
26 ft
2 main spans
Daily traffic
29,000
2023 count
Owner
State
State Highway Agency

About this bridge

I 22 over Okannattie Creek Relief is a concrete culvert carrying I 22 over Okannattie Creek Relief in Union County, Mississippi. It was built in 1979, so it is 46 years old, older 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 29,000 vehicles a day, roughly 31% of them trucks, projected to reach 29,000 by 2043. The structure is 26 ft (7.8 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI 22
CrossesOkannattie Creek Relief
Location5.7 MI E SR 15
RouteInterstate 22
Coordinates34.40807, -88.94423
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
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20 + Mod
Structure length26 ft (7.8 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic29,000 (2023)
Projected traffic29,000 by 2043
Trucks31%
Lanes on structure4
Traffic directionTwo-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 22 over Okannattie Creek Relief built?

It was built in 1979, making it 46 years old in 2025.

What condition is I 22 over Okannattie Creek 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 December 2023.

How much traffic does I 22 over Okannattie Creek Relief carry?

About 29,000 vehicles per day (2023 count), of which roughly 31% are trucks.

How long is I 22 over Okannattie Creek Relief?

The structure is 26 ft (7.8 m) long with a longest span of 12 ft (3.7 m).

Who owns I 22 over Okannattie Creek Relief?

It is owned by the State Highway Agency.