US Bridges

Zigzag Road over South Fork Lake Creek

FairPosted for load

Wallace County, Kansas · 11.0N 5.0W Sharon Springs · Structure no. 001000333504300

Built
1930
95 years old
Condition
Fair
inspected June 2023
Type
Slab
Concrete Continuous
Length
40 ft
4 main spans
Daily traffic
20
2020 count
Owner
County
County Highway Agency

About this bridge

Zigzag Road over South Fork Lake Creek is a concrete continuous slab carrying Zigzag Road over South Fork Lake Creek in Wallace 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 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 20 vehicles a day, projected to reach 25 by 2043. The structure is 40 ft (12.2 m) long and 20 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesZigzag Road
CrossesSouth Fork Lake Creek
Location11.0N 5.0W Sharon Springs
RouteCounty Highway 10016
CountyWallace County
StateKansas
Coordinates39.06068, -101.84112
Functional classRural Minor 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 inspectionJune 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 adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating16 US tons
Inventory rating16 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length40 ft (12.2 m)
Longest span10 ft (3 m)
Deck width20 ft (6.1 m)
Roadway width19 ft (5.8 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic20 (2020)
Projected traffic25 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$240,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Zigzag Road over South Fork Lake Creek built?

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

What condition is Zigzag Road over South Fork Lake 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 June 2023.

How much traffic does Zigzag Road over South Fork Lake Creek carry?

About 20 vehicles per day (2020 count).

How long is Zigzag Road over South Fork Lake Creek?

The structure is 40 ft (12.2 m) long with a longest span of 10 ft (3 m) and a deck 20 ft wide.

Who owns Zigzag Road over South Fork Lake Creek?

It is owned by the County Highway Agency.