US Bridges

Rs 124 T12-S35 over Smoky Hill River

Good

Dickinson County, Kansas · 2565 Rain RD · Structure no. 000000000210070

Built
1980
45 years old
Condition
Good
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
294 ft
3 main spans
Daily traffic
690
2011 count
Owner
County
County Highway Agency

About this bridge

Rs 124 T12-S35 over Smoky Hill River is a steel continuous stringer/multi-beam or girder carrying Rs 124 T12-S35 over Smoky Hill River in Dickinson County, Kansas. It was built in 1980, so it is 45 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 690 vehicles a day, roughly 11% of them trucks, projected to reach 828 by 2043. The structure is 294 ft (89.6 m) long and 30 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

CarriesRs 124 T12-S35
CrossesSmoky Hill River
Location2565 Rain RD
RouteCounty Highway 124
StateKansas
Coordinates38.96719, -97.01991
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than 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 alignment6: Equal to present minimum criteria
Operating rating63.2 US tons
Inventory rating37 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length294 ft (89.6 m)
Longest span114 ft (34.7 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic690 (2011)
Projected traffic828 by 2043
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 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 Rs 124 T12-S35 over Smoky Hill River built?

It was built in 1980, making it 45 years old in 2025.

What condition is Rs 124 T12-S35 over Smoky Hill 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 March 2023.

How much traffic does Rs 124 T12-S35 over Smoky Hill River carry?

About 690 vehicles per day (2011 count), of which roughly 11% are trucks.

How long is Rs 124 T12-S35 over Smoky Hill River?

The structure is 294 ft (89.6 m) long with a longest span of 114 ft (34.7 m) and a deck 30 ft wide.

Who owns Rs 124 T12-S35 over Smoky Hill River?

It is owned by the County Highway Agency.