US Bridges

I70 HWY EB over Mill Creek Drainage

Fair

Wabaunsee County, Kansas · 4.53 MI E K138 EB · Structure no. 999907000990281

Built
1941
84 years old, rebuilt 1962
Condition
Fair
inspected May 2023
Type
Slab
Concrete Continuous
Length
99 ft
3 main spans
Daily traffic
10,863
2023 count
Owner
State
State Highway Agency

About this bridge

I70 HWY EB over Mill Creek Drainage is a concrete continuous slab carrying I70 HWY EB over Mill Creek Drainage in Wabaunsee County, Kansas. It was built in 1941 and reconstructed in 1962, so it is 84 years old, older than the Kansas average of 52.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 10,863 vehicles a day, roughly 16% of them trucks, projected to reach 13,520 by 2044. The structure is 99 ft (30.2 m) long and 42 ft wide. If it were closed, the detour would be 49.7 mi (80 km).

CarriesI70 HWY EB
CrossesMill Creek Drainage
Location4.53 MI E K138 EB
RouteInterstate 70
StateKansas
Coordinates39.05833, -96.105
Functional classRural Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55.2 US tons
Inventory rating33.1 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length99 ft (30.2 m)
Longest span38 ft (11.6 m)
Deck width42 ft (12.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,863 (2023)
Projected traffic13,520 by 2044
Trucks16%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed49.7 mi (80 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 Mill Creek Drainage built?

It was built in 1941, making it 84 years old in 2025. It was reconstructed in 1962.

What condition is I70 HWY EB over Mill Creek Drainage in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in May 2023.

How much traffic does I70 HWY EB over Mill Creek Drainage carry?

About 10,863 vehicles per day (2023 count), of which roughly 16% are trucks.

How long is I70 HWY EB over Mill Creek Drainage?

The structure is 99 ft (30.2 m) long with a longest span of 38 ft (11.6 m) and a deck 42 ft wide.

Who owns I70 HWY EB over Mill Creek Drainage?

It is owned by the State Highway Agency.