US Bridges

Rs 642 31-18-1 over Slate Creek

FairPosted for load

Sumner County, Kansas · 1.6S of Anson · Structure no. 000000000960390

Built
1930
95 years old, rebuilt 1947
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
201 ft
3 main spans
Daily traffic
510
2013 count
Owner
County
County Highway Agency

About this bridge

Rs 642 31-18-1 over Slate Creek is a steel continuous stringer/multi-beam or girder carrying Rs 642 31-18-1 over Slate Creek in Sumner County, Kansas. It was built in 1930 and reconstructed in 1947, 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 fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 510 vehicles a day, roughly 1% of them trucks, projected to reach 371 by 2043. The structure is 201 ft (61.3 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesRs 642 31-18-1
CrossesSlate Creek
Location1.6S of Anson
RouteCounty Highway 642
CountySumner County
StateKansas
Coordinates37.3439, -97.53051
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating30.2 US tons
Inventory rating18.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length201 ft (61.3 m)
Longest span72 ft (22 m)
Deck width28 ft (8.6 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic510 (2013)
Projected traffic371 by 2043
Trucks1%
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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Rs 642 31-18-1 over Slate Creek built?

It was built in 1930, making it 95 years old in 2025. It was reconstructed in 1947.

What condition is Rs 642 31-18-1 over Slate 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 May 2023.

How much traffic does Rs 642 31-18-1 over Slate Creek carry?

About 510 vehicles per day (2013 count), of which roughly 1% are trucks.

How long is Rs 642 31-18-1 over Slate Creek?

The structure is 201 ft (61.3 m) long with a longest span of 72 ft (22 m) and a deck 28 ft wide.

Who owns Rs 642 31-18-1 over Slate Creek?

It is owned by the County Highway Agency.