US Bridges

330 Rd. over Trib. to N. Cottonwood

FairPosted for load

Marion County, Kansas · 4.5N 5.1W of Durham · Structure no. 000000000570590

Built
1944
81 years old
Condition
Fair
inspected November 2024
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
290
2020 count
Owner
County
County Highway Agency

About this bridge

330 Rd. over Trib. to N. Cottonwood is a concrete culvert carrying 330 Rd. over Trib. to N. Cottonwood in Marion County, Kansas. It was built in 1944, so it is 81 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 290 vehicles a day, roughly 5% of them trucks, projected to reach 320 by 2044. The structure is 21 ft (6.3 m) long and 31 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
Carries330 Rd.
CrossesTrib. to N. Cottonwood
Location4.5N 5.1W of Durham
RouteCounty Highway 429
CountyMarion County
StateKansas
Coordinates38.55128, -97.31639
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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating15 US tons
Inventory rating15 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length21 ft (6.3 m)
Longest span10 ft (3 m)
Deck width31 ft (9.3 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic290 (2020)
Projected traffic320 by 2044
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 330 Rd. over Trib. to N. Cottonwood built?

It was built in 1944, making it 81 years old in 2025.

What condition is 330 Rd. over Trib. to N. Cottonwood 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 2024.

How much traffic does 330 Rd. over Trib. to N. Cottonwood carry?

About 290 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is 330 Rd. over Trib. to N. Cottonwood?

The structure is 21 ft (6.3 m) long with a longest span of 10 ft (3 m) and a deck 31 ft wide.

Who owns 330 Rd. over Trib. to N. Cottonwood?

It is owned by the County Highway Agency.