US Bridges

Union RD I.0-11.3C over Walnut Creek

Fair

Riley County, Kansas · 1.9S 2.8W of Randolph · Structure no. 000810877003823

Built
1963
62 years old
Condition
Fair
inspected December 2024
Type
Slab
Concrete Continuous
Length
107 ft
3 main spans
Daily traffic
50
2004 count
Owner
County
County Highway Agency

About this bridge

Union RD I.0-11.3C over Walnut Creek is a concrete continuous slab carrying Union RD I.0-11.3C over Walnut Creek in Riley County, Kansas. It was built in 1963, so it is 62 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.

It carries about 50 vehicles a day, projected to reach 55 by 2044. The structure is 107 ft (32.6 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesUnion RD I.0-11.3C
CrossesWalnut Creek
Location1.9S 2.8W of Randolph
RouteCounty Highway 0
CountyRiley County
StateKansas
Coordinates39.4032, -96.81164
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.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
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 rating42.5 US tons
Inventory rating25.5 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length107 ft (32.6 m)
Longest span40 ft (12.1 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 traffic50 (2004)
Projected traffic55 by 2044
Trucks0%
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 statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$282,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Union RD I.0-11.3C over Walnut Creek built?

It was built in 1963, making it 62 years old in 2025.

What condition is Union RD I.0-11.3C over Walnut 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 December 2024.

How much traffic does Union RD I.0-11.3C over Walnut Creek carry?

About 50 vehicles per day (2004 count).

How long is Union RD I.0-11.3C over Walnut Creek?

The structure is 107 ft (32.6 m) long with a longest span of 40 ft (12.1 m) and a deck 28 ft wide.

Who owns Union RD I.0-11.3C over Walnut Creek?

It is owned by the County Highway Agency.