US Bridges

West 56th Avenue over Union Pacific Railroad

Good

Riley County, Kansas · .18SSE of Skyway Drive · Structure no. 000810891804203

Built
2013
12 years old
Condition
Good
inspected December 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
259 ft
3 main spans
Daily traffic
200
2019 count
Owner
County
County Highway Agency

About this bridge

West 56th Avenue over Union Pacific Railroad is a prestressed concrete stringer/multi-beam or girder carrying West 56th Avenue over Union Pacific Railroad in Riley County, Kansas. It was built in 2013, so it is 12 years old, younger than the Kansas average of 52.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 200 vehicles a day, roughly 1% of them trucks, projected to reach 210 by 2044. The structure is 259 ft (78.8 m) long and 68 ft wide.

Location

Open in Google Maps
CarriesWest 56th Avenue
CrossesUnion Pacific Railroad
Location.18SSE of Skyway Drive
RouteCounty Highway 3521
CountyRiley County
StateKansas
Coordinates39.12875, -96.67272
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating86.8 US tons
Inventory rating62.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length259 ft (78.8 m)
Longest span86 ft (26.2 m)
Deck width68 ft (20.6 m)
Roadway width65 ft (19.8 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic200 (2019)
Projected traffic210 by 2044
Trucks1%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed—
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was West 56th Avenue over Union Pacific Railroad built?

It was built in 2013, making it 12 years old in 2025.

What condition is West 56th Avenue over Union Pacific Railroad in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in December 2024.

How much traffic does West 56th Avenue over Union Pacific Railroad carry?

About 200 vehicles per day (2019 count), of which roughly 1% are trucks.

How long is West 56th Avenue over Union Pacific Railroad?

The structure is 259 ft (78.8 m) long with a longest span of 86 ft (26.2 m) and a deck 68 ft wide.

Who owns West 56th Avenue over Union Pacific Railroad?

It is owned by the County Highway Agency.