US Bridges

SE 70th ST over Spring River

FairPosted for load

Cherokee County, Kansas · 0.75 South of Riverton · Structure no. 000000000110185

Built
1987
38 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
1,064 ft
10 main spans
Daily traffic
1,268
2004 count
Owner
County
County Highway Agency

About this bridge

SE 70th ST over Spring River is a steel continuous stringer/multi-beam or girder carrying SE 70th ST over Spring River in Cherokee County, Kansas. It was built in 1987, so it is 38 years old, younger 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. Its operating status is: posted for load restriction.

It carries about 1,268 vehicles a day, roughly 11% of them trucks, projected to reach 1,268 by 2043. The structure is 1,064 ft (324.3 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSE 70th ST
CrossesSpring River
Location0.75 South of Riverton
RouteCounty Highway 107
StateKansas
Coordinates37.06334, -94.70611
Functional classRural Major Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating57.2 US tons
Inventory rating34.2 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans10
Design loadHS 20
Structure length1,064 ft (324.3 m)
Longest span111 ft (33.8 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic1,268 (2004)
Projected traffic1,268 by 2043
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 SE 70th ST over Spring River built?

It was built in 1987, making it 38 years old in 2025.

What condition is SE 70th ST over Spring River 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 September 2023.

How much traffic does SE 70th ST over Spring River carry?

About 1,268 vehicles per day (2004 count), of which roughly 11% are trucks.

How long is SE 70th ST over Spring River?

The structure is 1,064 ft (324.3 m) long with a longest span of 111 ft (33.8 m) and a deck 32 ft wide.

Who owns SE 70th ST over Spring River?

It is owned by the County Highway Agency.