US Bridges

RS1806 Lyon CR RD over Trib of Smoky Hill River

Good

Geary County, Kansas · 0.9E 1.8N of Wreford · Structure no. 00000000031B022

Built
2021
4 years old
Condition
Good
inspected December 2024
Type
Stringer/Multi-beam or Girder
Concrete
Length
39 ft
1 main span
Daily traffic
110
2017 count
Owner
County
County Highway Agency

About this bridge

RS1806 Lyon CR RD over Trib of Smoky Hill River is a concrete stringer/multi-beam or girder carrying RS1806 Lyon CR RD over Trib of Smoky Hill River in Geary County, Kansas. It was built in 2021, so it is 4 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 110 vehicles a day, roughly 5% of them trucks, projected to reach 120 by 2041. The structure is 39 ft (12 m) long and 26 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesRS1806 Lyon CR RD
CrossesTrib of Smoky Hill River
Location0.9E 1.8N of Wreford
RouteCounty Highway 1806
StateKansas
Coordinates38.98583, -96.82861
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.2 US tons
Inventory rating41.8 US tons

Structure

MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length39 ft (12 m)
Longest span36 ft (11 m)
Deck width26 ft (7.8 m)
Roadway width26 ft (7.8 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic110 (2017)
Projected traffic120 by 2041
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 RS1806 Lyon CR RD over Trib of Smoky Hill River built?

It was built in 2021, making it 4 years old in 2025.

What condition is RS1806 Lyon CR RD over Trib of 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 December 2024.

How much traffic does RS1806 Lyon CR RD over Trib of Smoky Hill River carry?

About 110 vehicles per day (2017 count), of which roughly 5% are trucks.

How long is RS1806 Lyon CR RD over Trib of Smoky Hill River?

The structure is 39 ft (12 m) long with a longest span of 36 ft (11 m) and a deck 26 ft wide.

Who owns RS1806 Lyon CR RD over Trib of Smoky Hill River?

It is owned by the County Highway Agency.