US Bridges

US169 HWY over Onion Creek

Good

Montgomery County, Kansas · .59 MI N Okla State Line · Structure no. 999916900630691

Built
1988
37 years old
Condition
Good
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
213 ft
3 main spans
Daily traffic
6,903
2023 count
Owner
State
State Highway Agency

About this bridge

US169 HWY over Onion Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying US169 HWY over Onion Creek in Montgomery County, Kansas. It was built in 1988, so it is 37 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 6,903 vehicles a day, roughly 21% of them trucks, projected to reach 8,096 by 2044. The structure is 213 ft (65 m) long and 46 ft wide.

Location

Open in Google Maps
CarriesUS169 HWY
CrossesOnion Creek
Location.59 MI N Okla State Line
RouteU.S. Route 169
CountyMontgomery County
StateKansas
Coordinates37.00639, -95.61611
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
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 evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating34 US tons
Inventory rating20 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length213 ft (65 m)
Longest span70 ft (21.3 m)
Deck width46 ft (14 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,903 (2023)
Projected traffic8,096 by 2044
Trucks21%
Lanes on structure2
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 US169 HWY over Onion Creek built?

It was built in 1988, making it 37 years old in 2025.

What condition is US169 HWY over Onion 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 March 2023.

How much traffic does US169 HWY over Onion Creek carry?

About 6,903 vehicles per day (2023 count), of which roughly 21% are trucks.

How long is US169 HWY over Onion Creek?

The structure is 213 ft (65 m) long with a longest span of 70 ft (21.3 m) and a deck 46 ft wide.

Who owns US169 HWY over Onion Creek?

It is owned by the State Highway Agency.