US Bridges

NW River Valley RD over May Branch

Good

Butler County, Kansas · 0.5E 6.0N of Potwin · Structure no. 000000000080280

Built
1994
31 years old
Condition
Good
inspected July 2024
Type
Slab
Concrete Continuous
Length
152 ft
3 main spans
Daily traffic
260
2021 count
Owner
County
County Highway Agency

About this bridge

NW River Valley RD over May Branch is a concrete continuous slab carrying NW River Valley RD over May Branch in Butler County, Kansas. It was built in 1994, so it is 31 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 260 vehicles a day, roughly 1% of them trucks, projected to reach 246 by 2045. The structure is 152 ft (46.2 m) long and 32 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesNW River Valley RD
CrossesMay Branch
Location0.5E 6.0N of Potwin
RouteCounty Highway 76
StateKansas
Coordinates38.02912, -97.00559
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 rating64.7 US tons
Inventory rating38.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length152 ft (46.2 m)
Longest span59 ft (17.9 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 traffic260 (2021)
Projected traffic246 by 2045
Trucks1%
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 May Branch built?

It was built in 1994, making it 31 years old in 2025.

What condition is NW River Valley RD over May Branch 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 River Valley RD over May Branch carry?

About 260 vehicles per day (2021 count), of which roughly 1% are trucks.

How long is NW River Valley RD over May Branch?

The structure is 152 ft (46.2 m) long with a longest span of 59 ft (17.9 m) and a deck 32 ft wide.

Who owns NW River Valley RD over May Branch?

It is owned by the County Highway Agency.