US Bridges

NE 70 Ave over Spring Creek

FairPosted for load

Harper County, Kansas · 1.5N 1.0W of Danville · Structure no. 000390757006704

Built
1930
95 years old
Condition
Fair
inspected August 2023
Type
Slab
Concrete Continuous
Length
33 ft
2 main spans
Daily traffic
20
2021 count
Owner
County
County Highway Agency

About this bridge

NE 70 Ave over Spring Creek is a concrete continuous slab carrying NE 70 Ave over Spring Creek in Harper County, Kansas. It was built in 1930, so it is 95 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 20 vehicles a day, roughly 2% of them trucks, projected to reach 25 by 2043. The structure is 33 ft (10.2 m) long and 18 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesNE 70 Ave
CrossesSpring Creek
Location1.5N 1.0W of Danville
RouteCounty Highway 0
CountyHarper County
StateKansas
Coordinates37.30576, -97.91287
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry8: Equal to present desirable criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating16 US tons
Inventory rating16 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length33 ft (10.2 m)
Longest span15 ft (4.5 m)
Deck width18 ft (5.5 m)
Roadway width16 ft (4.8 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic20 (2021)
Projected traffic25 by 2043
Trucks2%
Lanes on structure1
Traffic directionOne-lane bridge for two-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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$260,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was NE 70 Ave over Spring Creek built?

It was built in 1930, making it 95 years old in 2025.

What condition is NE 70 Ave over 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 August 2023.

How much traffic does NE 70 Ave over Spring Creek carry?

About 20 vehicles per day (2021 count), of which roughly 2% are trucks.

How long is NE 70 Ave over Spring Creek?

The structure is 33 ft (10.2 m) long with a longest span of 15 ft (4.5 m) and a deck 18 ft wide.

Who owns NE 70 Ave over Spring Creek?

It is owned by the County Highway Agency.