US Bridges

8th Road over Smoky Hill River

Good

Ellsworth County, Kansas · S. Edge of Black Wolf · Structure no. 00000000027B240

Built
2018
7 years old
Condition
Good
inspected March 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
303 ft
3 main spans
Daily traffic
55
2020 count
Owner
County
County Highway Agency

About this bridge

8th Road over Smoky Hill River is a prestressed concrete continuous stringer/multi-beam or girder carrying 8th Road over Smoky Hill River in Ellsworth County, Kansas. It was built in 2018, so it is 7 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 55 vehicles a day, roughly 5% of them trucks, projected to reach 66 by 2044. The structure is 303 ft (92.4 m) long and 30 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Carries8th Road
CrossesSmoky Hill River
LocationS. Edge of Black Wolf
RouteCounty Highway 240
StateKansas
Coordinates38.7572, -98.3636
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 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 geometry7: Better than present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating44.1 US tons
Inventory rating34 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length303 ft (92.4 m)
Longest span100 ft (30.4 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 traffic55 (2020)
Projected traffic66 by 2044
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 8th Road over Smoky Hill River built?

It was built in 2018, making it 7 years old in 2025.

What condition is 8th Road 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 2024.

How much traffic does 8th Road over Smoky Hill River carry?

About 55 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is 8th Road over Smoky Hill River?

The structure is 303 ft (92.4 m) long with a longest span of 100 ft (30.4 m) and a deck 30 ft wide.

Who owns 8th Road over Smoky Hill River?

It is owned by the County Highway Agency.