US Bridges

US-56 HWY over Elm Creek

Fair

Lyon County, Kansas · 1.55 MI E Kta · Structure no. 999905600561481

Built
1991
34 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
246 ft
3 main spans
Daily traffic
595
2023 count
Owner
State
State Highway Agency

About this bridge

US-56 HWY over Elm Creek is a steel continuous stringer/multi-beam or girder carrying US-56 HWY over Elm Creek in Lyon County, Kansas. It was built in 1991, so it is 34 years old, younger 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 5 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 595 vehicles a day, roughly 39% of them trucks, projected to reach 607 by 2044. The structure is 246 ft (75.1 m) long and 38 ft wide. If it were closed, the detour would be 19.3 mi (31 km).

CarriesUS-56 HWY
CrossesElm Creek
Location1.55 MI E Kta
RouteU.S. Route 56
StateKansas
Coordinates38.65167, -96.00083
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
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 within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating74.5 US tons
Inventory rating44.6 US tons

Structure

MaterialSteel Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length246 ft (75.1 m)
Longest span100 ft (30.5 m)
Deck width38 ft (11.6 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic595 (2023)
Projected traffic607 by 2044
Trucks39%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.3 mi (31 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 HWY over Elm Creek built?

It was built in 1991, making it 34 years old in 2025.

What condition is US-56 HWY over Elm 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 May 2023.

How much traffic does US-56 HWY over Elm Creek carry?

About 595 vehicles per day (2023 count), of which roughly 39% are trucks.

How long is US-56 HWY over Elm Creek?

The structure is 246 ft (75.1 m) long with a longest span of 100 ft (30.5 m) and a deck 38 ft wide.

Who owns US-56 HWY over Elm Creek?

It is owned by the State Highway Agency.