US Bridges

NW 70th over Deer Creek

FairPosted for load

Cherokee County, Kansas · 1.5S 2.0W of West Mineral · Structure no. 000000000110570

Built
1936
89 years old
Condition
Fair
inspected September 2023
Type
Culvert
Concrete
Length
26 ft
3 main spans
Daily traffic
185
2019 count
Owner
County
County Highway Agency

About this bridge

NW 70th over Deer Creek is a concrete culvert carrying NW 70th over Deer Creek in Cherokee County, Kansas. It was built in 1936, so it is 89 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. Its operating status is: posted for load restriction.

It carries about 185 vehicles a day, roughly 10% of them trucks, projected to reach 220 by 2043. The structure is 26 ft (8 m) long and 22 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesNW 70th
CrossesDeer Creek
Location1.5S 2.0W of West Mineral
RouteCounty Highway 1699
CountyCherokee County
StateKansas
Coordinates37.2604, -94.95876
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating10 US tons
Inventory rating10 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadUnknown
Structure length26 ft (8 m)
Longest span7 ft (2.1 m)
Deck width22 ft (6.7 m)
Roadway width21 ft (6.3 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic185 (2019)
Projected traffic220 by 2043
Trucks10%
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 statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was NW 70th over Deer Creek built?

It was built in 1936, making it 89 years old in 2025.

What condition is NW 70th over Deer Creek 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 NW 70th over Deer Creek carry?

About 185 vehicles per day (2019 count), of which roughly 10% are trucks.

How long is NW 70th over Deer Creek?

The structure is 26 ft (8 m) long with a longest span of 7 ft (2.1 m) and a deck 22 ft wide.

Who owns NW 70th over Deer Creek?

It is owned by the County Highway Agency.