US Bridges

21.0-C.0 over Little Osage River

Good

Bourbon County, Kansas · 1.0E of Fulton · Structure no. 000061107005740

Built
2004
21 years old
Condition
Good
inspected May 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
269 ft
3 main spans
Daily traffic
135
2006 count
Owner
County
County Highway Agency

About this bridge

21.0-C.0 over Little Osage River is a prestressed concrete continuous stringer/multi-beam or girder carrying 21.0-C.0 over Little Osage River in Bourbon County, Kansas. It was built in 2004, so it is 21 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 135 vehicles a day, roughly 15% of them trucks, projected to reach 135 by 2043. The structure is 269 ft (81.9 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
Carries21.0-C.0
CrossesLittle Osage River
Location1.0E of Fulton
RouteCounty Highway 0
CountyBourbon County
StateKansas
Coordinates38.00792, -94.69456
Functional classRural Local

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 protection8 Very GoodNo problems noted.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating48.2 US tons
Inventory rating28.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length269 ft (81.9 m)
Longest span89 ft (27.1 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 traffic135 (2006)
Projected traffic135 by 2043
Trucks15%
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$243,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 21.0-C.0 over Little Osage River built?

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

What condition is 21.0-C.0 over Little Osage 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 21.0-C.0 over Little Osage River carry?

About 135 vehicles per day (2006 count), of which roughly 15% are trucks.

How long is 21.0-C.0 over Little Osage River?

The structure is 269 ft (81.9 m) long with a longest span of 89 ft (27.1 m) and a deck 28 ft wide.

Who owns 21.0-C.0 over Little Osage River?

It is owned by the County Highway Agency.