US Bridges

I-70 Highway; EB over West Union Road

Good

Shawnee County, Kansas · 1.49 MI E Wabaunsee Coln · Structure no. 999907000892751

Built
2003
22 years old, rebuilt 2020
Condition
Good
inspected June 2024
Type
Slab
Prestressed Concrete Continuous
Length
187 ft
3 main spans
Daily traffic
12,648
2023 count
Owner
State
State Highway Agency

About this bridge

I-70 Highway; EB over West Union Road is a prestressed concrete continuous slab carrying I-70 Highway; EB over West Union Road in Shawnee County, Kansas. It was built in 2003 and reconstructed in 2020, so it is 22 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 12,648 vehicles a day, roughly 15% of them trucks, projected to reach 14,833 by 2044. The structure is 187 ft (56.9 m) long and 42 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI-70 Highway; EB
CrossesWest Union Road
Location1.49 MI E Wabaunsee Coln
RouteInterstate 70
StateKansas
Coordinates39.05806, -95.91861
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.7 US tons
Inventory rating48.9 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete Continuous
DeckNot applicable
Main spans3
Design loadHL 93
Structure length187 ft (56.9 m)
Longest span72 ft (22 m)
Deck width42 ft (12.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,648 (2023)
Projected traffic14,833 by 2044
Trucks15%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed0.6 mi (1 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 Highway; EB over West Union Road built?

It was built in 2003, making it 22 years old in 2025. It was reconstructed in 2020.

What condition is I-70 Highway; EB over West Union Road 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 Highway; EB over West Union Road carry?

About 12,648 vehicles per day (2023 count), of which roughly 15% are trucks.

How long is I-70 Highway; EB over West Union Road?

The structure is 187 ft (56.9 m) long with a longest span of 72 ft (22 m) and a deck 42 ft wide.

Who owns I-70 Highway; EB over West Union Road?

It is owned by the State Highway Agency.