US Bridges

N.W. 35th. St. 310 over Silver Lk. Drain. Ditch

Fair

Shawnee County, Kansas · 0.3N 0.5E of Silver Lake · Structure no. 000890979604225

Built
1982
43 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
25 ft
1 main span
Daily traffic
90
2024 count
Owner
County
County Highway Agency

About this bridge

N.W. 35th. St. 310 over Silver Lk. Drain. Ditch is a steel stringer/multi-beam or girder carrying N.W. 35th. St. 310 over Silver Lk. Drain. Ditch in Shawnee County, Kansas. It was built in 1982, so it is 43 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 90 vehicles a day, projected to reach 90 by 2040. The structure is 25 ft (7.5 m) long and 26 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesN.W. 35th. St. 310
CrossesSilver Lk. Drain. Ditch
Location0.3N 0.5E of Silver Lake
RouteCounty Highway 8910
StateKansas
Coordinates39.10884, -95.84912
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
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 rating56.7 US tons
Inventory rating34 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length25 ft (7.5 m)
Longest span24 ft (7.3 m)
Deck width26 ft (7.9 m)
Roadway width26 ft (7.8 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic90 (2024)
Projected traffic90 by 2040
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 N.W. 35th. St. 310 over Silver Lk. Drain. Ditch built?

It was built in 1982, making it 43 years old in 2025.

What condition is N.W. 35th. St. 310 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 N.W. 35th. St. 310 over Silver Lk. Drain. Ditch carry?

About 90 vehicles per day (2024 count).

How long is N.W. 35th. St. 310 over Silver Lk. Drain. Ditch?

The structure is 25 ft (7.5 m) long with a longest span of 24 ft (7.3 m) and a deck 26 ft wide.

Who owns N.W. 35th. St. 310 over Silver Lk. Drain. Ditch?

It is owned by the County Highway Agency.