US Bridges

I70 HWY Nl-Sl over Smoky Hill River Drn

Fair

Dickinson County, Kansas · 2.41 MI E K15 · Structure no. 999907000210131

Built
1959
66 years old, rebuilt 2013
Condition
Fair
inspected October 2023
Type
Culvert
Concrete
Length
25 ft
2 main spans
Daily traffic
8,000
2023 count
Owner
State
State Highway Agency

About this bridge

I70 HWY Nl-Sl over Smoky Hill River Drn is a concrete culvert carrying I70 HWY Nl-Sl over Smoky Hill River Drn in Dickinson County, Kansas. It was built in 1959 and reconstructed in 2013, so it is 66 years old, older than the Kansas average of 52.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 8,000 vehicles a day, roughly 16% of them trucks, projected to reach 9,570 by 2044. The structure is 25 ft (7.6 m) long and 237 ft wide.

Location

Open in Google Maps
CarriesI70 HWY Nl-Sl
CrossesSmoky Hill River Drn
Location2.41 MI E K15
RouteInterstate 70
CountyDickinson County
StateKansas
Coordinates38.94389, -97.16972
Functional classRural Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.1 US tons
Inventory rating38 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length25 ft (7.6 m)
Longest span12 ft (3.7 m)
Deck width237 ft (72.1 m)
Roadway width80 ft (24.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,000 (2023)
Projected traffic9,570 by 2044
Trucks16%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 I70 HWY Nl-Sl over Smoky Hill River Drn built?

It was built in 1959, making it 66 years old in 2025. It was reconstructed in 2013.

What condition is I70 HWY Nl-Sl over Smoky Hill River Drn in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in October 2023.

How much traffic does I70 HWY Nl-Sl over Smoky Hill River Drn carry?

About 8,000 vehicles per day (2023 count), of which roughly 16% are trucks.

How long is I70 HWY Nl-Sl over Smoky Hill River Drn?

The structure is 25 ft (7.6 m) long with a longest span of 12 ft (3.7 m) and a deck 237 ft wide.

Who owns I70 HWY Nl-Sl over Smoky Hill River Drn?

It is owned by the State Highway Agency.