US Bridges

NW 30 Ave over Sellens Creek

Fair

Barton County, Kansas · 3.4N 3.0W of Susank · Structure no. 000050659004805

Built
1937
88 years old
Condition
Fair
inspected March 2023
Type
Slab
Concrete
Length
48 ft
2 main spans
Daily traffic
40
2018 count
Owner
County
County Highway Agency

About this bridge

NW 30 Ave over Sellens Creek is a concrete slab carrying NW 30 Ave over Sellens Creek in Barton County, Kansas. It was built in 1937, so it is 88 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 40 vehicles a day, roughly 5% of them trucks, projected to reach 48 by 2043. The structure is 48 ft (14.6 m) long and 27 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesNW 30 Ave
CrossesSellens Creek
Location3.4N 3.0W of Susank
RouteCounty Highway 0
StateKansas
Coordinates38.68878, -98.83103
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating31.7 US tons
Inventory rating22.8 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length48 ft (14.6 m)
Longest span23 ft (7 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 traffic40 (2018)
Projected traffic48 by 2043
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 NW 30 Ave over Sellens Creek built?

It was built in 1937, making it 88 years old in 2025.

What condition is NW 30 Ave over Sellens 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 March 2023.

How much traffic does NW 30 Ave over Sellens Creek carry?

About 40 vehicles per day (2018 count), of which roughly 5% are trucks.

How long is NW 30 Ave over Sellens Creek?

The structure is 48 ft (14.6 m) long with a longest span of 23 ft (7 m) and a deck 27 ft wide.

Who owns NW 30 Ave over Sellens Creek?

It is owned by the County Highway Agency.