US Bridges

US166 HWY over Sycamore Creek Overflow

Good

Montgomery County, Kansas · 7.3 MI W Labette Coln · Structure no. 999916600631011

Built
2011
14 years old
Condition
Good
inspected March 2023
Type
Culvert
Concrete
Length
37 ft
3 main spans
Daily traffic
5,145
2023 count
Owner
State
State Highway Agency

About this bridge

US166 HWY over Sycamore Creek Overflow is a concrete culvert carrying US166 HWY over Sycamore Creek Overflow in Montgomery County, Kansas. It was built in 2011, so it is 14 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 5,145 vehicles a day, roughly 8% of them trucks, projected to reach 5,249 by 2044. The structure is 37 ft (11.4 m) long and 128 ft wide.

CarriesUS166 HWY
CrossesSycamore Creek Overflow
Location7.3 MI W Labette Coln
RouteU.S. Route 166
StateKansas
Coordinates37.03306, -95.64889
Functional classUrban Other Principal Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionMarch 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 alignment8: Equal to present desirable criteria
Operating rating62.5 US tons
Inventory rating48.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length37 ft (11.4 m)
Longest span12 ft (3.7 m)
Deck width128 ft (39 m)
Roadway width66 ft (20.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,145 (2023)
Projected traffic5,249 by 2044
Trucks8%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemYes

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 US166 HWY over Sycamore Creek Overflow built?

It was built in 2011, making it 14 years old in 2025.

What condition is US166 HWY over Sycamore Creek Overflow 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 March 2023.

How much traffic does US166 HWY over Sycamore Creek Overflow carry?

About 5,145 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is US166 HWY over Sycamore Creek Overflow?

The structure is 37 ft (11.4 m) long with a longest span of 12 ft (3.7 m) and a deck 128 ft wide.

Who owns US166 HWY over Sycamore Creek Overflow?

It is owned by the State Highway Agency.