US Bridges

I-70 Highway over Prairie Dog CR Drain

Fair

Thomas County, Kansas · 1.13 MI West of K-25 · Structure no. 999907000970161

Built
1966
59 years old
Condition
Fair
inspected April 2024
Type
Culvert
Concrete
Length
29 ft
2 main spans
Daily traffic
6,200
2023 count
Owner
State
State Highway Agency

About this bridge

I-70 Highway over Prairie Dog CR Drain is a concrete culvert carrying I-70 Highway over Prairie Dog CR Drain 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 fair condition with a lowest component rating of 5 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 6,200 vehicles a day, roughly 25% of them trucks, projected to reach 7,716 by 2044. The structure is 29 ft (8.8 m) long and 130 ft wide.

Location

Open in Google Maps
CarriesI-70 Highway
CrossesPrairie Dog CR Drain
Location1.13 MI West of K-25
RouteInterstate 70
CountyThomas County
StateKansas
Coordinates39.36472, -101.07639
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 protection8 Very GoodNo problems noted.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67 US tons
Inventory rating40 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length29 ft (8.8 m)
Longest span14 ft (4.3 m)
Deck width130 ft (39.5 m)
Roadway width80 ft (24.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,200 (2023)
Projected traffic7,716 by 2044
Trucks25%
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 I-70 Highway over Prairie Dog CR Drain built?

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

What condition is I-70 Highway over Prairie Dog CR Drain 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 April 2024.

How much traffic does I-70 Highway over Prairie Dog CR Drain carry?

About 6,200 vehicles per day (2023 count), of which roughly 25% are trucks.

How long is I-70 Highway over Prairie Dog CR Drain?

The structure is 29 ft (8.8 m) long with a longest span of 14 ft (4.3 m) and a deck 130 ft wide.

Who owns I-70 Highway over Prairie Dog CR Drain?

It is owned by the State Highway Agency.