US Bridges

I70 HWY EB over Blacksmith Creek

Good

Shawnee County, Kansas · 5.44 MI E Wabaunsee Coln · Structure no. 999907000891681

Built
1987
38 years old, rebuilt 2001
Condition
Good
inspected June 2024
Type
Slab
Concrete Continuous
Length
162 ft
3 main spans
Daily traffic
13,311
2023 count
Owner
State
State Highway Agency

About this bridge

I70 HWY EB over Blacksmith Creek is a concrete continuous slab carrying I70 HWY EB over Blacksmith Creek in Shawnee County, Kansas. It was built in 1987 and reconstructed in 2001, so it is 38 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 162 ft (49.5 m) long and 169 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI70 HWY EB
CrossesBlacksmith Creek
Location5.44 MI E Wabaunsee Coln
RouteInterstate 70
StateKansas
Coordinates39.05694, -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 protection8 Very GoodNo problems noted.
Last inspectionJune 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 geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67 US tons
Inventory rating40 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20 + Mod
Structure length162 ft (49.5 m)
Longest span64 ft (19.5 m)
Deck width169 ft (51.4 m)
Roadway width131 ft (40 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 I70 HWY EB over Blacksmith Creek built?

It was built in 1987, making it 38 years old in 2025. It was reconstructed in 2001.

What condition is I70 HWY EB 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 I70 HWY EB over Blacksmith Creek carry?

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

How long is I70 HWY EB over Blacksmith Creek?

The structure is 162 ft (49.5 m) long with a longest span of 64 ft (19.5 m) and a deck 169 ft wide.

Who owns I70 HWY EB over Blacksmith Creek?

It is owned by the State Highway Agency.