US Bridges

US-56 Highway over Hill Creek

Good

Lyon County, Kansas · 2.67 MI W of K-99 · Structure no. 999905600561521

Built
2002
23 years old
Condition
Good
inspected May 2023
Type
Slab
Concrete Continuous
Length
134 ft
3 main spans
Daily traffic
995
2023 count
Owner
State
State Highway Agency

About this bridge

US-56 Highway over Hill Creek is a concrete continuous slab carrying US-56 Highway over Hill Creek in Lyon County, Kansas. It was built in 2002, so it is 23 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 995 vehicles a day, roughly 29% of them trucks, projected to reach 1,099 by 2044. The structure is 134 ft (40.7 m) long and 38 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS-56 Highway
CrossesHill Creek
Location2.67 MI W of K-99
RouteU.S. Route 56
StateKansas
Coordinates38.65861, -96.14
Functional classRural Minor Arterial

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.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating88 US tons
Inventory rating53 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 25 or greater
Structure length134 ft (40.7 m)
Longest span52 ft (16 m)
Deck width38 ft (11.6 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic995 (2023)
Projected traffic1,099 by 2044
Trucks29%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 US-56 Highway over Hill Creek built?

It was built in 2002, making it 23 years old in 2025.

What condition is US-56 Highway over Hill Creek 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 May 2023.

How much traffic does US-56 Highway over Hill Creek carry?

About 995 vehicles per day (2023 count), of which roughly 29% are trucks.

How long is US-56 Highway over Hill Creek?

The structure is 134 ft (40.7 m) long with a longest span of 52 ft (16 m) and a deck 38 ft wide.

Who owns US-56 Highway over Hill Creek?

It is owned by the State Highway Agency.