US Bridges

Mo 124 E over KCS RR

Good

Boone County, Missouri · S 9 T 51 N R 11 W · Structure no. 4292

Built
1994
31 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
205 ft
3 main spans
Daily traffic
4,456
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 124 E over KCS RR is a prestressed concrete continuous stringer/multi-beam or girder carrying Mo 124 E over KCS RR in Boone County, Missouri. It was built in 1994, so it is 31 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 4,456 vehicles a day, roughly 5% of them trucks, projected to reach 8,244 by 2044. The structure is 205 ft (62.5 m) long and 41 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesMo 124 E
CrossesKCS RR
LocationS 9 T 51 N R 11 W
RouteState Highway 124
Coordinates39.21604, -92.14474
Functional classRural 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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating93.3 US tons
Inventory rating50.6 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length205 ft (62.5 m)
Longest span69 ft (20.9 m)
Deck width41 ft (12.6 m)
Roadway width39 ft (11.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,456 (2024)
Projected traffic8,244 by 2044
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed0.6 mi (1 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 124 E over KCS RR built?

It was built in 1994, making it 31 years old in 2025.

What condition is Mo 124 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 124 E over KCS RR carry?

About 4,456 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Mo 124 E over KCS RR?

The structure is 205 ft (62.5 m) long with a longest span of 69 ft (20.9 m) and a deck 41 ft wide.

Who owns Mo 124 E over KCS RR?

It is owned by the State Highway Agency.