US Bridges

I-70 HWY WB over Blacksmith Creek

Good

Shawnee County, Kansas · 5.45 MI E WB Coln · Structure no. 999907000892201

Built
1999
26 years old
Condition
Good
inspected June 2024
Type
Slab
Concrete Continuous
Length
163 ft
3 main spans
Daily traffic
13,311
2023 count
Owner
State
State Highway Agency

About this bridge

I-70 HWY WB over Blacksmith Creek is a concrete continuous slab carrying I-70 HWY WB over Blacksmith Creek in Shawnee County, Kansas. It was built in 1999, so it is 26 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 13,311 vehicles a day, roughly 15% of them trucks, projected to reach 15,003 by 2044. The structure is 163 ft (49.6 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI-70 HWY WB
CrossesBlacksmith Creek
Location5.45 MI E WB Coln
RouteInterstate 70
StateKansas
Coordinates39.05722, -95.84556
Functional classRural Principal Arterial - Interstate

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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating103 US tons
Inventory rating61.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 25 or greater
Structure length163 ft (49.6 m)
Longest span64 ft (19.5 m)
Deck width42 ft (12.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,311 (2023)
Projected traffic15,003 by 2044
Trucks15%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 I-70 HWY WB over Blacksmith Creek built?

It was built in 1999, making it 26 years old in 2025.

What condition is I-70 HWY WB 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 June 2024.

How much traffic does I-70 HWY WB over Blacksmith Creek carry?

About 13,311 vehicles per day (2023 count), of which roughly 15% are trucks.

How long is I-70 HWY WB over Blacksmith Creek?

The structure is 163 ft (49.6 m) long with a longest span of 64 ft (19.5 m) and a deck 42 ft wide.

Who owns I-70 HWY WB over Blacksmith Creek?

It is owned by the State Highway Agency.