US Bridges

NW 90 RD 8.0-Q.3 over Spring Creek

Fair

Harper County, Kansas · 1.0W of Harper · Structure no. 000390741306740

Built
1935
90 years old
Condition
Fair
inspected April 2023
Type
Tee Beam
Concrete
Length
48 ft
1 main span
Daily traffic
50
2021 count
Owner
County
County Highway Agency

About this bridge

NW 90 RD 8.0-Q.3 over Spring Creek is a concrete tee beam carrying NW 90 RD 8.0-Q.3 over Spring Creek in Harper County, Kansas. It was built in 1935, so it is 90 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.

It carries about 50 vehicles a day, projected to reach 50 by 2043. The structure is 48 ft (14.6 m) long and 23 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesNW 90 RD 8.0-Q.3
CrossesSpring Creek
Location1.0W of Harper
RouteCounty Highway 0
CountyHarper County
StateKansas
Coordinates37.28286, -98.05228
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating36 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length48 ft (14.6 m)
Longest span45 ft (13.6 m)
Deck width23 ft (6.9 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic50 (2021)
Projected traffic50 by 2043
Trucks0%
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 90 RD 8.0-Q.3 over Spring Creek built?

It was built in 1935, making it 90 years old in 2025.

What condition is NW 90 RD 8.0-Q.3 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 April 2023.

How much traffic does NW 90 RD 8.0-Q.3 over Spring Creek carry?

About 50 vehicles per day (2021 count).

How long is NW 90 RD 8.0-Q.3 over Spring Creek?

The structure is 48 ft (14.6 m) long with a longest span of 45 ft (13.6 m) and a deck 23 ft wide.

Who owns NW 90 RD 8.0-Q.3 over Spring Creek?

It is owned by the County Highway Agency.