US Bridges

Mo 12 E over KCS RR

Good

Jackson County, Missouri · S 5 T 49 N R 32 W · Structure no. 4205

Built
1996
29 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
460 ft
7 main spans
Daily traffic
9,811
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 12 E over KCS RR is a prestressed concrete continuous stringer/multi-beam or girder carrying Mo 12 E over KCS RR in Jackson County, Missouri. It was built in 1996, so it is 29 years old, younger than the Missouri average of 45.1 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 9,811 vehicles a day, roughly 11% of them trucks, projected to reach 13,245 by 2044. The structure is 460 ft (140.2 m) long and 62 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesMo 12 E
CrossesKCS RR
LocationS 5 T 49 N R 32 W
RouteState Highway 12
Coordinates39.09547, -94.46122
Functional classUrban Minor 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.
Superstructure9 ExcellentNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating99.2 US tons
Inventory rating58.5 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans7
Design loadHS 20 + Mod
Structure length460 ft (140.2 m)
Longest span79 ft (24.2 m)
Deck width62 ft (18.9 m)
Roadway width56 ft (17.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,811 (2024)
Projected traffic13,245 by 2044
Trucks11%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

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 Mo 12 E over KCS RR built?

It was built in 1996, making it 29 years old in 2025.

What condition is Mo 12 E over KCS RR 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 September 2023.

How much traffic does Mo 12 E over KCS RR carry?

About 9,811 vehicles per day (2024 count), of which roughly 11% are trucks.

How long is Mo 12 E over KCS RR?

The structure is 460 ft (140.2 m) long with a longest span of 79 ft (24.2 m) and a deck 62 ft wide.

Who owns Mo 12 E over KCS RR?

It is owned by the State Highway Agency.