US Bridges

RS558 Silver Lake over Stream

FairPosted for load

Reno County, Kansas · 7.0S 1.5W of Haven · Structure no. 000000000780570

Built
1962
63 years old
Condition
Fair
inspected July 2024
Type
Slab
Concrete Continuous
Length
94 ft
3 main spans
Daily traffic
293
2021 count
Owner
County
County Highway Agency

About this bridge

RS558 Silver Lake over Stream is a concrete continuous slab carrying RS558 Silver Lake over Stream in Reno County, Kansas. It was built in 1962, so it is 63 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 293 vehicles a day, roughly 10% of them trucks, projected to reach 355 by 2046. The structure is 94 ft (28.5 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesRS558 Silver Lake
CrossesStream
Location7.0S 1.5W of Haven
RouteCounty Highway 558
StateKansas
Coordinates37.79226, -97.80774
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 rating36 US tons
Inventory rating21.6 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length94 ft (28.5 m)
Longest span35 ft (10.6 m)
Deck width28 ft (8.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic293 (2021)
Projected traffic355 by 2046
Trucks10%
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 RS558 Silver Lake over Stream built?

It was built in 1962, making it 63 years old in 2025.

What condition is RS558 Silver Lake over Stream 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 July 2024.

How much traffic does RS558 Silver Lake over Stream carry?

About 293 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is RS558 Silver Lake over Stream?

The structure is 94 ft (28.5 m) long with a longest span of 35 ft (10.6 m) and a deck 28 ft wide.

Who owns RS558 Silver Lake over Stream?

It is owned by the County Highway Agency.