US Bridges

CR 350 over Walnut Creek

Fair

Rush County, Kansas · 1.2N 3.0E of Timken · Structure no. 000830627005083

Built
1925
100 years old
Condition
Fair
inspected November 2023
Type
Tee Beam
Concrete
Length
127 ft
3 main spans
Daily traffic
50
2008 count
Owner
County
County Highway Agency

About this bridge

CR 350 over Walnut Creek is a concrete tee beam carrying CR 350 over Walnut Creek in Rush County, Kansas. It was built in 1925, so it is 100 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, roughly 5% of them trucks, projected to reach 70 by 2044. The structure is 127 ft (38.8 m) long and 20 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesCR 350
CrossesWalnut Creek
Location1.2N 3.0E of Timken
RouteCounty Highway 0
StateKansas
Coordinates38.48954, -99.12535
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating36 US tons
Inventory rating36 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length127 ft (38.8 m)
Longest span43 ft (13.1 m)
Deck width20 ft (6.2 m)
Roadway width17 ft (5.3 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic50 (2008)
Projected traffic70 by 2044
Trucks5%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$450,000
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 350 over Walnut Creek built?

It was built in 1925, making it 100 years old in 2025.

What condition is CR 350 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 November 2023.

How much traffic does CR 350 over Walnut Creek carry?

About 50 vehicles per day (2008 count), of which roughly 5% are trucks.

How long is CR 350 over Walnut Creek?

The structure is 127 ft (38.8 m) long with a longest span of 43 ft (13.1 m) and a deck 20 ft wide.

Who owns CR 350 over Walnut Creek?

It is owned by the County Highway Agency.