US Bridges

28-I.4 Rs 309 over Walnut Creek

FairPosted for load

Harvey County, Kansas · 5.6E of Newton · Structure no. 000000000400360

Built
1942
83 years old
Condition
Fair
inspected April 2024
Type
Culvert
Concrete
Length
46 ft
3 main spans
Daily traffic
120
2006 count
Owner
County
County Highway Agency

About this bridge

28-I.4 Rs 309 over Walnut Creek is a concrete culvert carrying 28-I.4 Rs 309 over Walnut Creek in Harvey County, Kansas. It was built in 1942, so it is 83 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 120 vehicles a day, projected to reach 140 by 2042. The structure is 46 ft (14 m) long and 45 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
Carries28-I.4 Rs 309
CrossesWalnut Creek
Location5.6E of Newton
RouteCounty Highway 309
CountyHarvey County
StateKansas
Coordinates38.035, -97.20833
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.7 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadH 15
Structure length46 ft (14 m)
Longest span14 ft (4.2 m)
Deck width45 ft (13.7 m)
Roadway width43 ft (13.1 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic120 (2006)
Projected traffic140 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 28-I.4 Rs 309 over Walnut Creek built?

It was built in 1942, making it 83 years old in 2025.

What condition is 28-I.4 Rs 309 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 April 2024.

How much traffic does 28-I.4 Rs 309 over Walnut Creek carry?

About 120 vehicles per day (2006 count).

How long is 28-I.4 Rs 309 over Walnut Creek?

The structure is 46 ft (14 m) long with a longest span of 14 ft (4.2 m) and a deck 45 ft wide.

Who owns 28-I.4 Rs 309 over Walnut Creek?

It is owned by the County Highway Agency.