US Bridges

US166 HWY over Sycamore Creek

Fair

Montgomery County, Kansas · 7.28 MI W Labette Coln · Structure no. 999916600630421

Built
1963
62 years old
Condition
Fair
inspected March 2023
Type
Slab
Concrete Continuous
Length
94 ft
3 main spans
Daily traffic
5,145
2023 count
Owner
State
State Highway Agency

About this bridge

US166 HWY over Sycamore Creek is a concrete continuous slab carrying US166 HWY over Sycamore Creek in Montgomery County, Kansas. It was built in 1963, so it is 62 years old, older 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 6 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 5,145 vehicles a day, roughly 8% of them trucks, projected to reach 5,249 by 2044. The structure is 94 ft (28.5 m) long and 88 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesUS166 HWY
CrossesSycamore Creek
Location7.28 MI W Labette Coln
RouteU.S. Route 166
CountyMontgomery County
StateKansas
Coordinates37.03306, -95.64861
Functional classUrban Other Principal 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.3 US tons
Inventory rating39.1 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length94 ft (28.5 m)
Longest span35 ft (10.7 m)
Deck width88 ft (26.8 m)
Roadway width70 ft (21.3 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 closed1.2 mi (2 km)
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 built?

It was built in 1963, making it 62 years old in 2025.

What condition is US166 HWY over Sycamore 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 March 2023.

How much traffic does US166 HWY over Sycamore Creek carry?

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

How long is US166 HWY over Sycamore Creek?

The structure is 94 ft (28.5 m) long with a longest span of 35 ft (10.7 m) and a deck 88 ft wide.

Who owns US166 HWY over Sycamore Creek?

It is owned by the State Highway Agency.