US Bridges

US-56 Highway over 142 Mile Creek

Good

Lyon County, Kansas · .11 MI E K-99 Highway · Structure no. 999905600561531

Built
2002
23 years old
Condition
Good
inspected May 2023
Type
Slab
Concrete Continuous
Length
183 ft
3 main spans
Daily traffic
836
2023 count
Owner
State
State Highway Agency

About this bridge

US-56 Highway over 142 Mile Creek is a concrete continuous slab carrying US-56 Highway over 142 Mile 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 836 vehicles a day, roughly 24% of them trucks, projected to reach 853 by 2044. The structure is 183 ft (55.8 m) long and 46 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS-56 Highway
Crosses142 Mile Creek
Location.11 MI E K-99 Highway
RouteU.S. Route 56
StateKansas
Coordinates38.65194, -96.09528
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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating102 US tons
Inventory rating58 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 25 or greater
Structure length183 ft (55.8 m)
Longest span72 ft (22 m)
Deck width46 ft (14 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic836 (2023)
Projected traffic853 by 2044
Trucks24%
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 142 Mile Creek built?

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

What condition is US-56 Highway over 142 Mile 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 142 Mile Creek carry?

About 836 vehicles per day (2023 count), of which roughly 24% are trucks.

How long is US-56 Highway over 142 Mile Creek?

The structure is 183 ft (55.8 m) long with a longest span of 72 ft (22 m) and a deck 46 ft wide.

Who owns US-56 Highway over 142 Mile Creek?

It is owned by the State Highway Agency.