US Bridges

SW 70 RD over Trib. to Ash Creek

Good

Barton County, Kansas · 2.7W of Pawnee Rock · Structure no. 000000000050990

Built
2019
6 years old
Condition
Good
inspected March 2023
Type
Culvert
Concrete
Length
25 ft
3 main spans
Daily traffic
140
2022 count
Owner
County
County Highway Agency

About this bridge

SW 70 RD over Trib. to Ash Creek is a concrete culvert carrying SW 70 RD over Trib. to Ash Creek in Barton County, Kansas. It was built in 2019, so it is 6 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 140 vehicles a day, roughly 10% of them trucks, projected to reach 100 by 2043. The structure is 25 ft (7.7 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSW 70 RD
CrossesTrib. to Ash Creek
Location2.7W of Pawnee Rock
RouteCounty Highway 439
StateKansas
Coordinates38.26125, -99.03081
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
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating89.9 US tons
Inventory rating67.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHL 93
Structure length25 ft (7.7 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic140 (2022)
Projected traffic100 by 2043
Trucks10%
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 SW 70 RD over Trib. to Ash Creek built?

It was built in 2019, making it 6 years old in 2025.

What condition is SW 70 RD over Trib. to Ash 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 SW 70 RD over Trib. to Ash Creek carry?

About 140 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is SW 70 RD over Trib. to Ash Creek?

The structure is 25 ft (7.7 m) long with a longest span of 8 ft (2.4 m).

Who owns SW 70 RD over Trib. to Ash Creek?

It is owned by the County Highway Agency.