US Bridges

NW 90th over Trib. W. Br. Walnut Riv.

Fair

Butler County, Kansas · 0.4E 2.0S of Degraff · Structure no. 000080873405820

Built
1920
105 years old
Condition
Fair
inspected January 2025
Type
Tee Beam
Concrete Continuous
Length
87 ft
2 main spans
Daily traffic
50
2023 count
Owner
County
County Highway Agency

About this bridge

NW 90th over Trib. W. Br. Walnut Riv. is a concrete continuous tee beam carrying NW 90th over Trib. W. Br. Walnut Riv. in Butler County, Kansas. It was built in 1920, so it is 105 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 5 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 50 vehicles a day, projected to reach 50 by 2045. The structure is 87 ft (26.5 m) long and 22 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesNW 90th
CrossesTrib. W. Br. Walnut Riv.
Location0.4E 2.0S of Degraff
RouteCounty Highway 0
CountyButler County
StateKansas
Coordinates37.95516, -96.85159
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
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 adequacy7: Better than present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating37.3 US tons
Inventory rating22.4 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length87 ft (26.5 m)
Longest span43 ft (13.1 m)
Deck width22 ft (6.8 m)
Roadway width19 ft (5.9 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic50 (2023)
Projected traffic50 by 2045
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 90th over Trib. W. Br. Walnut Riv. built?

It was built in 1920, making it 105 years old in 2025.

What condition is NW 90th over Trib. W. Br. Walnut Riv. 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 90th over Trib. W. Br. Walnut Riv. carry?

About 50 vehicles per day (2023 count).

How long is NW 90th over Trib. W. Br. Walnut Riv.?

The structure is 87 ft (26.5 m) long with a longest span of 43 ft (13.1 m) and a deck 22 ft wide.

Who owns NW 90th over Trib. W. Br. Walnut Riv.?

It is owned by the County Highway Agency.