US Bridges

SR 12 over SR 182

Good

Oktibbeha County, Mississippi · SR 12 over SR 182 · Structure no. 31000120531568B

Built
1962
63 years old
Condition
Good
inspected July 2024
Type
Box Beam or Girders - Single or Spread
Concrete Continuous
Length
216 ft
2 main spans
Daily traffic
17,000
2023 count
Owner
State
State Highway Agency

About this bridge

SR 12 over SR 182 is a concrete continuous box beam or girders - single or spread carrying SR 12 over SR 182 in Oktibbeha County, Mississippi. It was built in 1962, so it is 63 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 17,000 vehicles a day, roughly 2% of them trucks, projected to reach 21,000 by 2043. The structure is 216 ft (65.9 m) long and 30 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSR 12
CrossesSR 182
LocationSR 12 over SR 182
RouteState Highway 12
Coordinates33.46669, -88.79723
Functional classUrban Other Principal Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating86.8 US tons
Inventory rating52.1 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHS 20
Structure length216 ft (65.9 m)
Longest span65 ft (19.8 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,000 (2023)
Projected traffic21,000 by 2043
Trucks2%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$444 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR 12 over SR 182 built?

It was built in 1962, making it 63 years old in 2025.

What condition is SR 12 over SR 182 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 July 2024.

How much traffic does SR 12 over SR 182 carry?

About 17,000 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is SR 12 over SR 182?

The structure is 216 ft (65.9 m) long with a longest span of 65 ft (19.8 m) and a deck 30 ft wide.

Who owns SR 12 over SR 182?

It is owned by the State Highway Agency.