US Bridges

S. Conway Springs over Trib. to Chikaskia River

GoodPosted for load

Sumner County, Kansas · 0.1N 2.0E of Milan · Structure no. 000960787006769

Built
1930
95 years old
Condition
Good
inspected April 2023
Type
Culvert
Concrete
Length
31 ft
4 main spans
Daily traffic
50
2013 count
Owner
County
County Highway Agency

About this bridge

S. Conway Springs over Trib. to Chikaskia River is a concrete culvert carrying S. Conway Springs over Trib. to Chikaskia River in Sumner County, Kansas. It was built in 1930, so it is 95 years old, older 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. Its operating status is: posted for load restriction.

It carries about 50 vehicles a day, projected to reach 50 by 2043. The structure is 31 ft (9.4 m) long and 35 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesS. Conway Springs
CrossesTrib. to Chikaskia River
Location0.1N 2.0E of Milan
RouteCounty Highway 9601
CountySumner County
StateKansas
Coordinates37.25694, -97.63722
Functional classRural Minor 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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionApril 2023
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 geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating15 US tons
Inventory rating15 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadUnknown
Structure length31 ft (9.4 m)
Longest span7 ft (2.1 m)
Deck width35 ft (10.8 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic50 (2013)
Projected traffic50 by 2043
Trucks0%
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 S. Conway Springs over Trib. to Chikaskia River built?

It was built in 1930, making it 95 years old in 2025.

What condition is S. Conway Springs over Trib. to Chikaskia 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 April 2023.

How much traffic does S. Conway Springs over Trib. to Chikaskia River carry?

About 50 vehicles per day (2013 count).

How long is S. Conway Springs over Trib. to Chikaskia River?

The structure is 31 ft (9.4 m) long with a longest span of 7 ft (2.1 m) and a deck 35 ft wide.

Who owns S. Conway Springs over Trib. to Chikaskia River?

It is owned by the County Highway Agency.