US Bridges

NW Diamond RD over Rock Creek

Good

Butler County, Kansas · 4.9S of Potwin · Structure no. 000000000080241

Built
2015
10 years old
Condition
Good
inspected July 2024
Type
Slab
Concrete Continuous
Length
122 ft
3 main spans
Daily traffic
350
2023 count
Owner
County
County Highway Agency

About this bridge

NW Diamond RD over Rock Creek is a concrete continuous slab carrying NW Diamond RD over Rock Creek in Butler County, Kansas. It was built in 2015, so it is 10 years old, younger than the Kansas average of 52.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 350 vehicles a day, roughly 40% of them trucks, projected to reach 335 by 2045. The structure is 122 ft (37.3 m) long and 32 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesNW Diamond RD
CrossesRock Creek
Location4.9S of Potwin
RouteCounty Highway 75
CountyButler County
StateKansas
Coordinates37.86378, -97.02386
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating100 US tons
Inventory rating60.3 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length122 ft (37.3 m)
Longest span48 ft (14.6 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic350 (2023)
Projected traffic335 by 2045
Trucks40%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was NW Diamond RD over Rock Creek built?

It was built in 2015, making it 10 years old in 2025.

What condition is NW Diamond RD over Rock Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in July 2024.

How much traffic does NW Diamond RD over Rock Creek carry?

About 350 vehicles per day (2023 count), of which roughly 40% are trucks.

How long is NW Diamond RD over Rock Creek?

The structure is 122 ft (37.3 m) long with a longest span of 48 ft (14.6 m) and a deck 32 ft wide.

Who owns NW Diamond RD over Rock Creek?

It is owned by the County Highway Agency.