US Bridges

Valencia Rd. 309 over Silver Lk. Drain. Ditch

PoorPosted for load

Shawnee County, Kansas · 0.5N 0.7W of Silver Lake · Structure no. 000890977004222

Built
1940
85 years old
Condition
Poor
inspected August 2024
Type
Slab
Concrete
Length
22 ft
1 main span
Daily traffic
90
2024 count
Owner
County
County Highway Agency

About this bridge

Valencia Rd. 309 over Silver Lk. Drain. Ditch is a concrete slab carrying Valencia Rd. 309 over Silver Lk. Drain. Ditch in Shawnee County, Kansas. It was built in 1940, so it is 85 years old, older than the Kansas average of 52.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 90 vehicles a day, projected to reach 90 by 2040. The structure is 22 ft (6.7 m) long and 22 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesValencia Rd. 309
CrossesSilver Lk. Drain. Ditch
Location0.5N 0.7W of Silver Lake
RouteCounty Highway 0
StateKansas
Coordinates39.11251, -95.87252
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating32.7 US tons
Inventory rating19.5 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length22 ft (6.7 m)
Longest span20 ft (6 m)
Deck width22 ft (6.7 m)
Roadway width20 ft (6 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 statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$250,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Valencia Rd. 309 over Silver Lk. Drain. Ditch built?

It was built in 1940, making it 85 years old in 2025.

What condition is Valencia Rd. 309 over Silver Lk. Drain. Ditch in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in August 2024.

How much traffic does Valencia Rd. 309 over Silver Lk. Drain. Ditch carry?

About 90 vehicles per day (2024 count).

How long is Valencia Rd. 309 over Silver Lk. Drain. Ditch?

The structure is 22 ft (6.7 m) long with a longest span of 20 ft (6 m) and a deck 22 ft wide.

Who owns Valencia Rd. 309 over Silver Lk. Drain. Ditch?

It is owned by the County Highway Agency.