US Bridges

CR 390 over Little Walnut Creek

Fair

Rush County, Kansas · 5.2S 2.0E of Shaffer · Structure no. 000830635005222

Built
1961
64 years old
Condition
Fair
inspected December 2023
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
60
2008 count
Owner
County
County Highway Agency

About this bridge

CR 390 over Little Walnut Creek is a concrete culvert carrying CR 390 over Little Walnut Creek in Rush County, Kansas. It was built in 1961, so it is 64 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 60 vehicles a day, roughly 5% of them trucks, projected to reach 85 by 2044. The structure is 21 ft (6.3 m) long and 23 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesCR 390
CrossesLittle Walnut Creek
Location5.2S 2.0E of Shaffer
RouteCounty Highway 8317
CountyRush County
StateKansas
Coordinates38.38776, -99.05148
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
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 rating36 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length21 ft (6.3 m)
Longest span10 ft (3 m)
Deck width23 ft (6.9 m)
Roadway width21 ft (6.4 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic60 (2008)
Projected traffic85 by 2044
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Little Walnut Creek built?

It was built in 1961, making it 64 years old in 2025.

What condition is CR 390 over Little 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 Little Walnut Creek carry?

About 60 vehicles per day (2008 count), of which roughly 5% are trucks.

How long is CR 390 over Little Walnut Creek?

The structure is 21 ft (6.3 m) long with a longest span of 10 ft (3 m) and a deck 23 ft wide.

Who owns CR 390 over Little Walnut Creek?

It is owned by the County Highway Agency.