US Bridges

CR 390 over Walnut Creek

FairPosted for load

Rush County, Kansas · 0.7N 2.0E of Shaffer · Structure no. 000000000830320

Built
1956
69 years old
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
304 ft
4 main spans
Daily traffic
450
2008 count
Owner
County
County Highway Agency

About this bridge

CR 390 over Walnut Creek is a steel continuous stringer/multi-beam or girder carrying CR 390 over Walnut Creek in Rush County, Kansas. It was built in 1956, so it is 69 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 450 vehicles a day, roughly 10% of them trucks, projected to reach 550 by 2044. The structure is 304 ft (92.7 m) long and 27 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesCR 390
CrossesWalnut Creek
Location0.7N 2.0E of Shaffer
RouteCounty Highway 585
CountyRush County
StateKansas
Coordinates38.47276, -99.05147
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 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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating30.8 US tons
Inventory rating17.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 15
Structure length304 ft (92.7 m)
Longest span83 ft (25.2 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic450 (2008)
Projected traffic550 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 Walnut Creek built?

It was built in 1956, making it 69 years old in 2025.

What condition is CR 390 over 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 Walnut Creek carry?

About 450 vehicles per day (2008 count), of which roughly 10% are trucks.

How long is CR 390 over Walnut Creek?

The structure is 304 ft (92.7 m) long with a longest span of 83 ft (25.2 m) and a deck 27 ft wide.

Who owns CR 390 over Walnut Creek?

It is owned by the County Highway Agency.