US Bridges

NW 100th over Lightning Creek

FairPosted for load

Cherokee County, Kansas · 3.0N 2.5E of Sherman City · Structure no. 000000000110150

Built
1965
60 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
238 ft
3 main spans
Daily traffic
130
2019 count
Owner
County
County Highway Agency

About this bridge

NW 100th over Lightning Creek is a steel continuous stringer/multi-beam or girder carrying NW 100th over Lightning Creek in Cherokee County, Kansas. It was built in 1965, so it is 60 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 6 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 130 vehicles a day, roughly 10% of them trucks, projected to reach 155 by 2043. The structure is 238 ft (72.5 m) long and 26 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesNW 100th
CrossesLightning Creek
Location3.0N 2.5E of Sherman City
RouteCounty Highway 104
CountyCherokee County
StateKansas
Coordinates37.30306, -95.01333
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45.9 US tons
Inventory rating27.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length238 ft (72.5 m)
Longest span90 ft (27.4 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic130 (2019)
Projected traffic155 by 2043
Trucks10%
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 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 NW 100th over Lightning Creek built?

It was built in 1965, making it 60 years old in 2025.

What condition is NW 100th over Lightning 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 September 2023.

How much traffic does NW 100th over Lightning Creek carry?

About 130 vehicles per day (2019 count), of which roughly 10% are trucks.

How long is NW 100th over Lightning Creek?

The structure is 238 ft (72.5 m) long with a longest span of 90 ft (27.4 m) and a deck 26 ft wide.

Who owns NW 100th over Lightning Creek?

It is owned by the County Highway Agency.