US Bridges

NW 70 Ave over Trib. to Spring Creek

FairPosted for load

Stafford County, Kansas · 0.9S of Dillwyn · Structure no. 000000000930220

Built
1929
96 years old
Condition
Fair
inspected November 2024
Type
Culvert
Concrete
Length
26 ft
3 main spans
Daily traffic
280
2021 count
Owner
County
County Highway Agency

About this bridge

NW 70 Ave over Trib. to Spring Creek is a concrete culvert carrying NW 70 Ave over Trib. to Spring Creek in Stafford County, Kansas. It was built in 1929, so it is 96 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 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 280 vehicles a day, roughly 10% of them trucks, projected to reach 335 by 2044. The structure is 26 ft (7.8 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesNW 70 Ave
CrossesTrib. to Spring Creek
Location0.9S of Dillwyn
RouteCounty Highway 974
CountyStafford County
StateKansas
Coordinates37.95728, -98.87647
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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating20.9 US tons
Inventory rating12.5 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadUnknown
Structure length26 ft (7.8 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 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 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 70 Ave over Trib. to Spring Creek built?

It was built in 1929, making it 96 years old in 2025.

What condition is NW 70 Ave over Trib. to Spring 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 November 2024.

How much traffic does NW 70 Ave over Trib. to Spring Creek carry?

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

How long is NW 70 Ave over Trib. to Spring Creek?

The structure is 26 ft (7.8 m) long with a longest span of 8 ft (2.4 m).

Who owns NW 70 Ave over Trib. to Spring Creek?

It is owned by the County Highway Agency.