US Bridges

SW 137th over Little Walnut River

Good

Butler County, Kansas · 4.7E 2.5N of Gordon · Structure no. 000080867706268

Built
2010
15 years old
Condition
Good
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
232 ft
3 main spans
Daily traffic
50
2023 count
Owner
County
County Highway Agency

About this bridge

SW 137th over Little Walnut River is a steel continuous stringer/multi-beam or girder carrying SW 137th over Little Walnut River in Butler 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 50 vehicles a day, roughly 4% of them trucks, projected to reach 55 by 2045. The structure is 232 ft (70.7 m) long and 30 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesSW 137th
CrossesLittle Walnut River
Location4.7E 2.5N of Gordon
RouteCounty Highway 0
StateKansas
Coordinates37.62534, -96.90468
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating59.3 US tons
Inventory rating45.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length232 ft (70.7 m)
Longest span109 ft (33.2 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic50 (2023)
Projected traffic55 by 2045
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 SW 137th over Little Walnut River built?

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

What condition is SW 137th over Little Walnut River 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 July 2024.

How much traffic does SW 137th over Little Walnut River carry?

About 50 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is SW 137th over Little Walnut River?

The structure is 232 ft (70.7 m) long with a longest span of 109 ft (33.2 m) and a deck 30 ft wide.

Who owns SW 137th over Little Walnut River?

It is owned by the County Highway Agency.