US Bridges

NW 30 Ave over Wet Walnut Creek

Good

Barton County, Kansas · 3.0E 1.0S of Heizer · Structure no. 000050659005189

Built
2010
15 years old
Condition
Good
inspected March 2023
Type
Slab
Concrete Continuous
Length
142 ft
3 main spans
Daily traffic
853
2018 count
Owner
County
County Highway Agency

About this bridge

NW 30 Ave over Wet Walnut Creek is a concrete continuous slab carrying NW 30 Ave over Wet Walnut Creek in Barton County, Kansas. It was built in 2010, so it is 15 years old, younger than the Kansas average of 52.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 853 vehicles a day, roughly 15% of them trucks, projected to reach 1,024 by 2043. The structure is 142 ft (43.4 m) long and 34 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesNW 30 Ave
CrossesWet Walnut Creek
Location3.0E 1.0S of Heizer
RouteCounty Highway 0
StateKansas
Coordinates38.40594, -98.82992
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating60.3 US tons
Inventory rating36 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length142 ft (43.4 m)
Longest span56 ft (17 m)
Deck width34 ft (10.4 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic853 (2018)
Projected traffic1,024 by 2043
Trucks15%
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 statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was NW 30 Ave over Wet Walnut Creek built?

It was built in 2010, making it 15 years old in 2025.

What condition is NW 30 Ave over Wet Walnut Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in March 2023.

How much traffic does NW 30 Ave over Wet Walnut Creek carry?

About 853 vehicles per day (2018 count), of which roughly 15% are trucks.

How long is NW 30 Ave over Wet Walnut Creek?

The structure is 142 ft (43.4 m) long with a longest span of 56 ft (17 m) and a deck 34 ft wide.

Who owns NW 30 Ave over Wet Walnut Creek?

It is owned by the County Highway Agency.