US Bridges

SR 12 over KCS RR

Fair

Oktibbeha County, Mississippi · 0.3 MI N SR 182 · Structure no. 31000120531572B

Built
2004
21 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
437 ft
1 main span
Daily traffic
17,000
2023 count
Owner
State
State Highway Agency

About this bridge

SR 12 over KCS RR is a prestressed concrete stringer/multi-beam or girder carrying SR 12 over KCS RR in Oktibbeha County, Mississippi. It was built in 2004, so it is 21 years old, younger 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 17,000 vehicles a day, roughly 2% of them trucks, projected to reach 21,000 by 2043. The structure is 437 ft (133.3 m) long and 52 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesSR 12
CrossesKCS RR
Location0.3 MI N SR 182
RouteState Highway 12
CountyOktibbeha County
StateMississippi
Coordinates33.47191, -88.79767
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52.9 US tons
Inventory rating25.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1 (+4 approach)
Design loadHS 20
Structure length437 ft (133.3 m)
Longest span122 ft (37.2 m)
Deck width52 ft (15.9 m)
Roadway width49 ft (15 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
CrossesRailroad
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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR 12 over KCS RR built?

It was built in 2004, making it 21 years old in 2025.

What condition is SR 12 over KCS RR 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 July 2024.

How much traffic does SR 12 over KCS RR carry?

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

How long is SR 12 over KCS RR?

The structure is 437 ft (133.3 m) long with a longest span of 122 ft (37.2 m) and a deck 52 ft wide.

Who owns SR 12 over KCS RR?

It is owned by the State Highway Agency.