US Bridges

County Road over I-70 Highway

Good

Thomas County, Kansas · 3.97 MI East of US-24 · Structure no. 999907000970151

Built
1966
59 years old
Condition
Good
inspected April 2024
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
241 ft
4 main spans
Daily traffic
228
2023 count
Owner
State
State Highway Agency

About this bridge

County Road over I-70 Highway is a concrete continuous box beam or girders - multiple carrying County Road over I-70 Highway in Thomas County, Kansas. It was built in 1966, so it is 59 years old, older 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 228 vehicles a day, roughly 2% of them trucks. The structure is 241 ft (73.5 m) long and 31 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesCounty Road
CrossesI-70 Highway
Location3.97 MI East of US-24
RouteCounty Highway 9701
CountyThomas County
StateKansas
Coordinates39.365, -101.13
Functional classRural Minor 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.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating88.2 US tons
Inventory rating52.8 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length241 ft (73.5 m)
Longest span68 ft (20.7 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic228 (2023)
Projected traffic—
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemNo

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 County Road over I-70 Highway built?

It was built in 1966, making it 59 years old in 2025.

What condition is County Road over I-70 Highway 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 April 2024.

How much traffic does County Road over I-70 Highway carry?

About 228 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is County Road over I-70 Highway?

The structure is 241 ft (73.5 m) long with a longest span of 68 ft (20.7 m) and a deck 31 ft wide.

Who owns County Road over I-70 Highway?

It is owned by the State Highway Agency.