US Bridges

RD 90 over South Fork Walnut Creek

Good

Ness County, Kansas · 4.0S K96 6.1W US-283 · Structure no. 000680529905220

Built
1996
29 years old
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
40 ft
1 main span
Daily traffic
15
2018 count
Owner
County
County Highway Agency

About this bridge

RD 90 over South Fork Walnut Creek is a steel stringer/multi-beam or girder carrying RD 90 over South Fork Walnut Creek in Ness County, Kansas. It was built in 1996, so it is 29 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 15 vehicles a day, roughly 5% of them trucks, projected to reach 15 by 2041. The structure is 40 ft (12.2 m) long and 28 ft wide.

Location

Open in Google Maps
CarriesRD 90
CrossesSouth Fork Walnut Creek
Location4.0S K96 6.1W US-283
RouteCounty Highway 0
CountyNess County
StateKansas
Coordinates38.39194, -100.00831
Functional classRural Local

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating43 US tons
Inventory rating25.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadUnknown
Structure length40 ft (12.2 m)
Longest span39 ft (11.9 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic15 (2018)
Projected traffic15 by 2041
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 RD 90 over South Fork Walnut Creek built?

It was built in 1996, making it 29 years old in 2025.

What condition is RD 90 over South Fork Walnut 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 November 2023.

How much traffic does RD 90 over South Fork Walnut Creek carry?

About 15 vehicles per day (2018 count), of which roughly 5% are trucks.

How long is RD 90 over South Fork Walnut Creek?

The structure is 40 ft (12.2 m) long with a longest span of 39 ft (11.9 m) and a deck 28 ft wide.

Who owns RD 90 over South Fork Walnut Creek?

It is owned by the County Highway Agency.