US Bridges

Rs 429 Smoky Val. over Kentucky Creek

Good

McPherson County, Kansas · 10.1W of Roxbury · Structure no. 00000000059B190

Built
2018
7 years old
Condition
Good
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
132 ft
3 main spans
Daily traffic
510
2020 count
Owner
County
County Highway Agency

About this bridge

Rs 429 Smoky Val. over Kentucky Creek is a steel continuous stringer/multi-beam or girder carrying Rs 429 Smoky Val. over Kentucky Creek in McPherson County, Kansas. It was built in 2018, so it is 7 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 510 vehicles a day, roughly 12% of them trucks, projected to reach 800 by 2040. The structure is 132 ft (40.2 m) long and 30 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesRs 429 Smoky Val.
CrossesKentucky Creek
Location10.1W of Roxbury
RouteCounty Highway 429
CountyMcPherson County
StateKansas
Coordinates38.5508, -97.61229
Functional classRural Major Collector

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 2024
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating80.2 US tons
Inventory rating47.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length132 ft (40.2 m)
Longest span49 ft (14.9 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic510 (2020)
Projected traffic800 by 2040
Trucks12%
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 Rs 429 Smoky Val. over Kentucky Creek built?

It was built in 2018, making it 7 years old in 2025.

What condition is Rs 429 Smoky Val. over Kentucky 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 2024.

How much traffic does Rs 429 Smoky Val. over Kentucky Creek carry?

About 510 vehicles per day (2020 count), of which roughly 12% are trucks.

How long is Rs 429 Smoky Val. over Kentucky Creek?

The structure is 132 ft (40.2 m) long with a longest span of 49 ft (14.9 m) and a deck 30 ft wide.

Who owns Rs 429 Smoky Val. over Kentucky Creek?

It is owned by the County Highway Agency.