US Bridges

NW 80th Street over Diamond Creek

FairPosted for load

Butler County, Kansas · 0.3W of Potwin · Structure no. 000080853705840

Built
1931
94 years old
Condition
Fair
inspected February 2025
Type
Tee Beam
Concrete
Length
70 ft
1 main span
Daily traffic
65
2023 count
Owner
County
County Highway Agency

About this bridge

NW 80th Street over Diamond Creek is a concrete tee beam carrying NW 80th Street over Diamond Creek in Butler County, Kansas. It was built in 1931, so it is 94 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 65 vehicles a day, projected to reach 65 by 2045. The structure is 70 ft (21.3 m) long and 23 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesNW 80th Street
CrossesDiamond Creek
Location0.3W of Potwin
RouteCounty Highway 0
CountyButler County
StateKansas
Coordinates37.9417, -97.02994
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusPosted for load 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 alignment7: Better than present minimum criteria
Operating rating48.3 US tons
Inventory rating29 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadUnknown
Structure length70 ft (21.3 m)
Longest span31 ft (9.3 m)
Deck width23 ft (7.1 m)
Roadway width21 ft (6.3 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic65 (2023)
Projected traffic65 by 2045
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 80th Street over Diamond Creek built?

It was built in 1931, making it 94 years old in 2025.

What condition is NW 80th Street over Diamond 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 February 2025.

How much traffic does NW 80th Street over Diamond Creek carry?

About 65 vehicles per day (2023 count).

How long is NW 80th Street over Diamond Creek?

The structure is 70 ft (21.3 m) long with a longest span of 31 ft (9.3 m) and a deck 23 ft wide.

Who owns NW 80th Street over Diamond Creek?

It is owned by the County Highway Agency.