US Bridges

125th St. Rs 51 over Little Osage River

Good

Bourbon County, Kansas · 3.0E 0.2S of Fulton · Structure no. 000000000060120

Built
1984
41 years old
Condition
Good
inspected May 2024
Type
Slab
Concrete Continuous
Length
122 ft
3 main spans
Daily traffic
133
2006 count
Owner
County
County Highway Agency

About this bridge

125th St. Rs 51 over Little Osage River is a concrete continuous slab carrying 125th St. Rs 51 over Little Osage River in Bourbon County, Kansas. It was built in 1984, so it is 41 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 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 133 vehicles a day, roughly 11% of them trucks, projected to reach 133 by 2039. The structure is 122 ft (37.2 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Carries125th St. Rs 51
CrossesLittle Osage River
Location3.0E 0.2S of Fulton
RouteCounty Highway 1741
StateKansas
Coordinates37.90797, -94.87845
Functional classRural Major Collector

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.
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; action required to protect exposed foundations
Structural evaluation8: Equal to present desirable 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 alignment8: Equal to present desirable criteria
Operating rating61.9 US tons
Inventory rating37.1 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length122 ft (37.2 m)
Longest span48 ft (14.6 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 traffic133 (2006)
Projected traffic133 by 2039
Trucks11%
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 125th St. Rs 51 over Little Osage River built?

It was built in 1984, making it 41 years old in 2025.

What condition is 125th St. Rs 51 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 125th St. Rs 51 over Little Osage River carry?

About 133 vehicles per day (2006 count), of which roughly 11% are trucks.

How long is 125th St. Rs 51 over Little Osage River?

The structure is 122 ft (37.2 m) long with a longest span of 48 ft (14.6 m) and a deck 28 ft wide.

Who owns 125th St. Rs 51 over Little Osage River?

It is owned by the County Highway Agency.