US Bridges

CR 390 over Dry Walnut Creek

FairPosted for load

Rush County, Kansas · 6.0S 2.0E of Shaffer · Structure no. 000830635005229

Built
1964
61 years old
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
59 ft
3 main spans
Daily traffic
60
2008 count
Owner
County
County Highway Agency

About this bridge

CR 390 over Dry Walnut Creek is a steel continuous stringer/multi-beam or girder carrying CR 390 over Dry Walnut Creek in Rush County, Kansas. It was built in 1964, so it is 61 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 60 vehicles a day, roughly 10% of them trucks, projected to reach 85 by 2044. The structure is 59 ft (18.1 m) long and 24 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCR 390
CrossesDry Walnut Creek
Location6.0S 2.0E of Shaffer
RouteCounty Highway 8317
StateKansas
Coordinates38.37833, -99.05137
Functional classRural Minor 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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating33.5 US tons
Inventory rating20 US tons

Structure

MaterialSteel Continuous
DeckCorrugated steel
Main spans3
Design loadUnknown
Structure length59 ft (18.1 m)
Longest span23 ft (6.9 m)
Deck width24 ft (7.3 m)
Roadway width23 ft (7 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic60 (2008)
Projected traffic85 by 2044
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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 390 over Dry Walnut Creek built?

It was built in 1964, making it 61 years old in 2025.

What condition is CR 390 over Dry Walnut 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 December 2023.

How much traffic does CR 390 over Dry Walnut Creek carry?

About 60 vehicles per day (2008 count), of which roughly 10% are trucks.

How long is CR 390 over Dry Walnut Creek?

The structure is 59 ft (18.1 m) long with a longest span of 23 ft (6.9 m) and a deck 24 ft wide.

Who owns CR 390 over Dry Walnut Creek?

It is owned by the County Highway Agency.