US Bridges

NW 70 Ave over Bear Creek

GoodPosted for load

Stafford County, Kansas · 0.9N of Dillwyn · Structure no. 000000000930230

Built
1961
64 years old
Condition
Good
inspected November 2024
Type
Culvert
Concrete
Length
31 ft
3 main spans
Daily traffic
280
2021 count
Owner
County
County Highway Agency

About this bridge

NW 70 Ave over Bear Creek is a concrete culvert carrying NW 70 Ave over Bear Creek in Stafford County, Kansas. It was built in 1961, so it is 64 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. Its operating status is: posted for load restriction.

It carries about 280 vehicles a day, roughly 10% of them trucks, projected to reach 335 by 2044. The structure is 31 ft (9.5 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesNW 70 Ave
CrossesBear Creek
Location0.9N of Dillwyn
RouteCounty Highway 974
StateKansas
Coordinates37.98447, -98.87628
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating38.7 US tons
Inventory rating23.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadH 15
Structure length31 ft (9.5 m)
Longest span10 ft (3 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic280 (2021)
Projected traffic335 by 2044
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 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 NW 70 Ave over Bear Creek built?

It was built in 1961, making it 64 years old in 2025.

What condition is NW 70 Ave over Bear Creek 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 November 2024.

How much traffic does NW 70 Ave over Bear Creek carry?

About 280 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is NW 70 Ave over Bear Creek?

The structure is 31 ft (9.5 m) long with a longest span of 10 ft (3 m) and a deck 30 ft wide.

Who owns NW 70 Ave over Bear Creek?

It is owned by the County Highway Agency.