US Bridges

Minor 24.0-M.5 over Marmaton River

Good

Bourbon County, Kansas · 1.0N 3.8E of Fort Scott · Structure no. 000061113005946

Built
2012
13 years old
Condition
Good
inspected May 2024
Type
Slab
Prestressed Concrete Continuous
Length
237 ft
3 main spans
Daily traffic
30
2006 count
Owner
County
County Highway Agency

About this bridge

Minor 24.0-M.5 over Marmaton River is a prestressed concrete continuous slab carrying Minor 24.0-M.5 over Marmaton River in Bourbon County, Kansas. It was built in 2012, so it is 13 years old, younger than the Kansas average of 52.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 30 vehicles a day, projected to reach 35 by 2042. The structure is 237 ft (72.2 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesMinor 24.0-M.5
CrossesMarmaton River
Location1.0N 3.8E of Fort Scott
RouteCounty Highway 621
StateKansas
Coordinates37.85597, -94.64031
Functional classRural Minor Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating64.8 US tons
Inventory rating42 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length237 ft (72.2 m)
Longest span92 ft (28 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic30 (2006)
Projected traffic35 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Minor 24.0-M.5 over Marmaton River built?

It was built in 2012, making it 13 years old in 2025.

What condition is Minor 24.0-M.5 over Marmaton River 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 May 2024.

How much traffic does Minor 24.0-M.5 over Marmaton River carry?

About 30 vehicles per day (2006 count).

How long is Minor 24.0-M.5 over Marmaton River?

The structure is 237 ft (72.2 m) long with a longest span of 92 ft (28 m) and a deck 28 ft wide.

Who owns Minor 24.0-M.5 over Marmaton River?

It is owned by the County Highway Agency.