US Bridges

W. 170th Dr. over Twin Creek

Good

Osborne County, Kansas · 8.0S 2.8E of Osborne · Structure no. 000710679903940

Built
2022
3 years old
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
39 ft
1 main span
Daily traffic
25
2020 count
Owner
County
County Highway Agency

About this bridge

W. 170th Dr. over Twin Creek is a steel stringer/multi-beam or girder carrying W. 170th Dr. over Twin Creek in Osborne County, Kansas. It was built in 2022, so it is 3 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 25 vehicles a day, roughly 5% of them trucks, projected to reach 20 by 2043. The structure is 39 ft (12 m) long and 27 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesW. 170th Dr.
CrossesTwin Creek
Location8.0S 2.8E of Osborne
RouteCounty Highway 1179
StateKansas
Coordinates39.32151, -98.6411
Functional classRural Local

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 within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating85.8 US tons
Inventory rating51.4 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHS 20
Structure length39 ft (12 m)
Longest span37 ft (11.4 m)
Deck width27 ft (8.1 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic25 (2020)
Projected traffic20 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 W. 170th Dr. over Twin Creek built?

It was built in 2022, making it 3 years old in 2025.

What condition is W. 170th Dr. over Twin 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 W. 170th Dr. over Twin Creek carry?

About 25 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is W. 170th Dr. over Twin Creek?

The structure is 39 ft (12 m) long with a longest span of 37 ft (11.4 m) and a deck 27 ft wide.

Who owns W. 170th Dr. over Twin Creek?

It is owned by the County Highway Agency.