US Bridges

NW 150th over Whitewater River

Fair

Butler County, Kansas · 0.5S 5.8E of Elbing · Structure no. 000000000080620

Built
1940
85 years old
Condition
Fair
inspected January 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
64 ft
1 main span
Daily traffic
640
2021 count
Owner
County
County Highway Agency

About this bridge

NW 150th over Whitewater River is a steel stringer/multi-beam or girder carrying NW 150th over Whitewater River in Butler County, Kansas. It was built in 1940, so it is 85 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 640 vehicles a day, roughly 10% of them trucks, projected to reach 604 by 2045. The structure is 64 ft (19.5 m) long and 27 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesNW 150th
CrossesWhitewater River
Location0.5S 5.8E of Elbing
RouteCounty Highway 86
StateKansas
Coordinates38.04281, -97.01832
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
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 inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no 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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41.2 US tons
Inventory rating24.6 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length64 ft (19.5 m)
Longest span61 ft (18.5 m)
Deck width27 ft (8.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic640 (2021)
Projected traffic604 by 2045
Trucks10%
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 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 150th over Whitewater River built?

It was built in 1940, making it 85 years old in 2025.

What condition is NW 150th over Whitewater River 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 January 2025.

How much traffic does NW 150th over Whitewater River carry?

About 640 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is NW 150th over Whitewater River?

The structure is 64 ft (19.5 m) long with a longest span of 61 ft (18.5 m) and a deck 27 ft wide.

Who owns NW 150th over Whitewater River?

It is owned by the County Highway Agency.