US Bridges

SR 12 over Old SR 12

Fair

Oktibbeha County, Mississippi · 1.0 MI S US 82 · Structure no. 310001205315580

Built
1962
63 years old
Condition
Fair
inspected June 2024
Type
Box Beam or Girders - Single or Spread
Concrete Continuous
Length
197 ft
2 main spans
Daily traffic
23,000
2023 count
Owner
State
State Highway Agency

About this bridge

SR 12 over Old SR 12 is a concrete continuous box beam or girders - single or spread carrying SR 12 over Old SR 12 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 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 23,000 vehicles a day, roughly 4% of them trucks, projected to reach 29,000 by 2043. The structure is 197 ft (60.1 m) long and 30 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesSR 12
CrossesOld SR 12
Location1.0 MI S US 82
RouteState Highway 12
CountyOktibbeha County
StateMississippi
Coordinates33.45486, -88.80165
Functional classUrban Other Principal Arterial

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating91.7 US tons
Inventory rating54.9 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHS 20
Structure length197 ft (60.1 m)
Longest span60 ft (18.3 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic23,000 (2023)
Projected traffic29,000 by 2043
Trucks4%
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$418 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR 12 over Old SR 12 built?

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

What condition is SR 12 over Old SR 12 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 June 2024.

How much traffic does SR 12 over Old SR 12 carry?

About 23,000 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is SR 12 over Old SR 12?

The structure is 197 ft (60.1 m) long with a longest span of 60 ft (18.3 m) and a deck 30 ft wide.

Who owns SR 12 over Old SR 12?

It is owned by the State Highway Agency.