US Bridges

NW 100th Street over Diamond Creek

Fair

Butler County, Kansas · 1.4E 2.0N of Potwin · Structure no. 000080857405800

Built
1948
77 years old, rebuilt 1966
Condition
Fair
inspected February 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
30 ft
1 main span
Daily traffic
70
2023 count
Owner
County
County Highway Agency

About this bridge

NW 100th Street over Diamond Creek is a steel stringer/multi-beam or girder carrying NW 100th Street over Diamond Creek in Butler County, Kansas. It was built in 1948 and reconstructed in 1966, so it is 77 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 70 vehicles a day, roughly 1% of them trucks, projected to reach 70 by 2045. The structure is 30 ft (9.1 m) long and 25 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesNW 100th Street
CrossesDiamond Creek
Location1.4E 2.0N of Potwin
RouteCounty Highway 0
StateKansas
Coordinates37.97032, -96.99945
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
Deck7 GoodSome minor problems.
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 inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52.2 US tons
Inventory rating31.3 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadUnknown
Structure length30 ft (9.1 m)
Longest span29 ft (8.8 m)
Deck width25 ft (7.6 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic70 (2023)
Projected traffic70 by 2045
Trucks1%
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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was NW 100th Street over Diamond Creek built?

It was built in 1948, making it 77 years old in 2025. It was reconstructed in 1966.

What condition is NW 100th 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 100th Street over Diamond Creek carry?

About 70 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is NW 100th Street over Diamond Creek?

The structure is 30 ft (9.1 m) long with a longest span of 29 ft (8.8 m) and a deck 25 ft wide.

Who owns NW 100th Street over Diamond Creek?

It is owned by the County Highway Agency.