US Bridges

Riverton RD 15.50 over Trib. to Red Rock Creek

FairPosted for load

Reno County, Kansas · 1.2E 1.4S of Partridge · Structure no. 000780741005825

Built
1970
55 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
31 ft
2 main spans
Daily traffic
41
2021 count
Owner
County
County Highway Agency

About this bridge

Riverton RD 15.50 over Trib. to Red Rock Creek is a wood or timber stringer/multi-beam or girder carrying Riverton RD 15.50 over Trib. to Red Rock Creek in Reno County, Kansas. It was built in 1970, so it is 55 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 41 vehicles a day, roughly 7% of them trucks, projected to reach 50 by 2046. The structure is 31 ft (9.4 m) long and 23 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesRiverton RD 15.50
CrossesTrib. to Red Rock Creek
Location1.2E 1.4S of Partridge
RouteCounty Highway 0
StateKansas
Coordinates37.94797, -98.06861
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating15.4 US tons
Inventory rating10.5 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans2
Design loadUnknown
Structure length31 ft (9.4 m)
Longest span14 ft (4.4 m)
Deck width23 ft (6.9 m)
Roadway width21 ft (6.5 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic41 (2021)
Projected traffic50 by 2046
Trucks7%
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$260,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Riverton RD 15.50 over Trib. to Red Rock Creek built?

It was built in 1970, making it 55 years old in 2025.

What condition is Riverton RD 15.50 over Trib. to Red Rock Creek 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 Riverton RD 15.50 over Trib. to Red Rock Creek carry?

About 41 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is Riverton RD 15.50 over Trib. to Red Rock Creek?

The structure is 31 ft (9.4 m) long with a longest span of 14 ft (4.4 m) and a deck 23 ft wide.

Who owns Riverton RD 15.50 over Trib. to Red Rock Creek?

It is owned by the County Highway Agency.