US Bridges

Rs 578 G.0-12.6F over Stream

FairPosted for load

Riley County, Kansas · 1.5N 0.4E Leonardville · Structure no. 000000000810150

Built
1930
95 years old
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
26 ft
1 main span
Daily traffic
303
2004 count
Owner
County
County Highway Agency

About this bridge

Rs 578 G.0-12.6F over Stream is a steel stringer/multi-beam or girder carrying Rs 578 G.0-12.6F over Stream in Riley County, Kansas. It was built in 1930, so it is 95 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 5 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 303 vehicles a day, roughly 10% of them trucks, projected to reach 310 by 2044. The structure is 26 ft (7.9 m) long and 27 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesRs 578 G.0-12.6F
CrossesStream
Location1.5N 0.4E Leonardville
RouteCounty Highway 578
CountyRiley County
StateKansas
Coordinates39.38461, -96.84932
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating27.3 US tons
Inventory rating16.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length26 ft (7.9 m)
Longest span25 ft (7.5 m)
Deck width27 ft (8.2 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic303 (2004)
Projected traffic310 by 2044
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 statusPossibly eligible for the National Register; requires further investigation
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$125,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Rs 578 G.0-12.6F over Stream built?

It was built in 1930, making it 95 years old in 2025.

What condition is Rs 578 G.0-12.6F 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 December 2024.

How much traffic does Rs 578 G.0-12.6F over Stream carry?

About 303 vehicles per day (2004 count), of which roughly 10% are trucks.

How long is Rs 578 G.0-12.6F over Stream?

The structure is 26 ft (7.9 m) long with a longest span of 25 ft (7.5 m) and a deck 27 ft wide.

Who owns Rs 578 G.0-12.6F over Stream?

It is owned by the County Highway Agency.