US Bridges

US-56 Highway over Bluff Creek

Good

Lyon County, Kansas · 2.64 MI E Morris Coln · Structure no. 999905600561511

Built
2002
23 years old
Condition
Good
inspected May 2023
Type
Slab
Concrete Continuous
Length
210 ft
4 main spans
Daily traffic
1,508
2023 count
Owner
State
State Highway Agency

About this bridge

US-56 Highway over Bluff Creek is a concrete continuous slab carrying US-56 Highway over Bluff 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 1,508 vehicles a day, roughly 13% of them trucks, projected to reach 1,569 by 2044. The structure is 210 ft (63.9 m) long and 46 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS-56 Highway
CrossesBluff Creek
Location2.64 MI E Morris Coln
RouteU.S. Route 56
StateKansas
Coordinates38.66667, -96.30444
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 protection7 GoodSome minor problems.
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 geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating68 US tons
Inventory rating41 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckNot applicable
Main spans4
Design loadHS 25 or greater
Structure length210 ft (63.9 m)
Longest span66 ft (20 m)
Deck width46 ft (14 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,508 (2023)
Projected traffic1,569 by 2044
Trucks13%
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 Bluff Creek built?

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

What condition is US-56 Highway over Bluff 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 Bluff Creek carry?

About 1,508 vehicles per day (2023 count), of which roughly 13% are trucks.

How long is US-56 Highway over Bluff Creek?

The structure is 210 ft (63.9 m) long with a longest span of 66 ft (20 m) and a deck 46 ft wide.

Who owns US-56 Highway over Bluff Creek?

It is owned by the State Highway Agency.