US Bridges

Humphrey Rd. 100 over Silver Lk. Drain Ditch

Fair

Shawnee County, Kansas · 2.0E of Silver Lake · Structure no. 000890983004240

Built
1987
38 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
29 ft
1 main span
Daily traffic
100
2024 count
Owner
County
County Highway Agency

About this bridge

Humphrey Rd. 100 over Silver Lk. Drain Ditch is a steel stringer/multi-beam or girder carrying Humphrey Rd. 100 over Silver Lk. Drain Ditch in Shawnee County, Kansas. It was built in 1987, so it is 38 years old, younger 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.

It carries about 100 vehicles a day, projected to reach 100 by 2040. The structure is 29 ft (8.7 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesHumphrey Rd. 100
CrossesSilver Lk. Drain Ditch
Location2.0E of Silver Lake
RouteCounty Highway 0
CountyShawnee County
StateKansas
Coordinates39.10119, -95.81671
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45.5 US tons
Inventory rating27.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadUnknown
Structure length29 ft (8.7 m)
Longest span27 ft (8.3 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic100 (2024)
Projected traffic100 by 2040
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 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 Humphrey Rd. 100 over Silver Lk. Drain Ditch built?

It was built in 1987, making it 38 years old in 2025.

What condition is Humphrey Rd. 100 over Silver Lk. Drain Ditch 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 August 2024.

How much traffic does Humphrey Rd. 100 over Silver Lk. Drain Ditch carry?

About 100 vehicles per day (2024 count).

How long is Humphrey Rd. 100 over Silver Lk. Drain Ditch?

The structure is 29 ft (8.7 m) long with a longest span of 27 ft (8.3 m) and a deck 28 ft wide.

Who owns Humphrey Rd. 100 over Silver Lk. Drain Ditch?

It is owned by the County Highway Agency.