US Bridges

NW River Valley RD over Diamond Creek

FairPosted for load

Butler County, Kansas · 0.5E 1.2N of Potwin · Structure no. 000000000080260

Built
1962
63 years old
Condition
Fair
inspected July 2024
Type
Slab
Concrete Continuous
Length
97 ft
3 main spans
Daily traffic
385
2021 count
Owner
County
County Highway Agency

About this bridge

NW River Valley RD over Diamond Creek is a concrete continuous slab carrying NW River Valley RD over Diamond Creek in Butler County, Kansas. It was built in 1962, so it is 63 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 385 vehicles a day, roughly 2% of them trucks, projected to reach 364 by 2045. The structure is 97 ft (29.5 m) long and 30 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesNW River Valley RD
CrossesDiamond Creek
Location0.5E 1.2N of Potwin
RouteCounty Highway 76
StateKansas
Coordinates37.96123, -97.00608
Functional classRural Major Collector

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.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating33.1 US tons
Inventory rating19.8 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length97 ft (29.5 m)
Longest span36 ft (10.9 m)
Deck width30 ft (9.1 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic385 (2021)
Projected traffic364 by 2045
Trucks2%
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 River Valley RD over Diamond Creek built?

It was built in 1962, making it 63 years old in 2025.

What condition is NW River Valley RD 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 July 2024.

How much traffic does NW River Valley RD over Diamond Creek carry?

About 385 vehicles per day (2021 count), of which roughly 2% are trucks.

How long is NW River Valley RD over Diamond Creek?

The structure is 97 ft (29.5 m) long with a longest span of 36 ft (10.9 m) and a deck 30 ft wide.

Who owns NW River Valley RD over Diamond Creek?

It is owned by the County Highway Agency.