US Bridges

K4 HWY over Blacksmith Creek

Good

Shawnee County, Kansas · 8.90 MI NE Wabaunsee Coln · Structure no. 999900400893001

Built
2016
9 years old
Condition
Good
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
117 ft
1 main span
Daily traffic
1,149
2023 count
Owner
State
State Highway Agency

About this bridge

K4 HWY over Blacksmith Creek is a steel stringer/multi-beam or girder carrying K4 HWY over Blacksmith Creek in Shawnee County, Kansas. It was built in 2016, so it is 9 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 1,149 vehicles a day, roughly 7% of them trucks, projected to reach 1,321 by 2044. The structure is 117 ft (35.7 m) long and 42 ft wide. If it were closed, the detour would be 5.6 mi (9 km).

Location

Open in Google Maps
CarriesK4 HWY
CrossesBlacksmith Creek
Location8.90 MI NE Wabaunsee Coln
RouteState Highway 4
CountyShawnee County
StateKansas
Coordinates39.02167, -95.83917
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2024
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 alignment7: Better than present minimum criteria
Operating rating65 US tons
Inventory rating50 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckNot applicable
Main spans1
Design loadHL 93
Structure length117 ft (35.7 m)
Longest span112 ft (34.1 m)
Deck width42 ft (12.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,149 (2023)
Projected traffic1,321 by 2044
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5.6 mi (9 km)
TollOn a free road
National Highway SystemNo

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 K4 HWY over Blacksmith Creek built?

It was built in 2016, making it 9 years old in 2025.

What condition is K4 HWY over Blacksmith 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 K4 HWY over Blacksmith Creek carry?

About 1,149 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is K4 HWY over Blacksmith Creek?

The structure is 117 ft (35.7 m) long with a longest span of 112 ft (34.1 m) and a deck 42 ft wide.

Who owns K4 HWY over Blacksmith Creek?

It is owned by the State Highway Agency.