US Bridges

CR 340 over Trib. to Walnut Creek

Fair

Rush County, Kansas · 1.0N 3.0E of Bison · Structure no. 000830625005009

Built
1950
75 years old
Condition
Fair
inspected November 2023
Type
Culvert
Concrete
Length
26 ft
3 main spans
Daily traffic
50
2008 count
Owner
County
County Highway Agency

About this bridge

CR 340 over Trib. to Walnut Creek is a concrete culvert carrying CR 340 over Trib. to Walnut Creek in Rush County, Kansas. It was built in 1950, so it is 75 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 50 vehicles a day, roughly 5% of them trucks, projected to reach 65 by 2044. The structure is 26 ft (7.8 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCR 340
CrossesTrib. to Walnut Creek
Location1.0N 3.0E of Bison
RouteCounty Highway 8310
StateKansas
Coordinates38.53804, -99.14275
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 inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadH 15
Structure length26 ft (7.8 m)
Longest span8 ft (2.4 m)
Deck width28 ft (8.4 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic50 (2008)
Projected traffic65 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 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 CR 340 over Trib. to Walnut Creek built?

It was built in 1950, making it 75 years old in 2025.

What condition is CR 340 over Trib. to 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 340 over Trib. to Walnut Creek carry?

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

How long is CR 340 over Trib. to Walnut Creek?

The structure is 26 ft (7.8 m) long with a longest span of 8 ft (2.4 m) and a deck 28 ft wide.

Who owns CR 340 over Trib. to Walnut Creek?

It is owned by the County Highway Agency.