US Bridges

I70 HWY Nl-Sl over Vassar Creek

Fair

Shawnee County, Kansas · 2.06 MI E WB Coln · Structure no. 999907000890051

Built
1935
90 years old, rebuilt 1956
Condition
Fair
inspected June 2024
Type
Culvert
Concrete
Length
40 ft
1 main span
Daily traffic
12,342
2023 count
Owner
State
State Highway Agency

About this bridge

I70 HWY Nl-Sl over Vassar Creek is a concrete culvert carrying I70 HWY Nl-Sl over Vassar Creek in Shawnee County, Kansas. It was built in 1935 and reconstructed in 1956, so it is 90 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 12,342 vehicles a day, roughly 15% of them trucks, projected to reach 14,474 by 2044. The structure is 40 ft (12.2 m) long and 244 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI70 HWY Nl-Sl
CrossesVassar Creek
Location2.06 MI E WB Coln
RouteInterstate 70
CountyShawnee County
StateKansas
Coordinates39.05806, -95.90833
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating26 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length40 ft (12.2 m)
Longest span40 ft (12.2 m)
Deck width244 ft (74.5 m)
Roadway width80 ft (24.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,342 (2023)
Projected traffic14,474 by 2044
Trucks15%
Lanes on structure4
Traffic directionTwo-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 Nl-Sl over Vassar Creek built?

It was built in 1935, making it 90 years old in 2025. It was reconstructed in 1956.

What condition is I70 HWY Nl-Sl over Vassar Creek 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 June 2024.

How much traffic does I70 HWY Nl-Sl over Vassar Creek carry?

About 12,342 vehicles per day (2023 count), of which roughly 15% are trucks.

How long is I70 HWY Nl-Sl over Vassar Creek?

The structure is 40 ft (12.2 m) long with a longest span of 40 ft (12.2 m) and a deck 244 ft wide.

Who owns I70 HWY Nl-Sl over Vassar Creek?

It is owned by the State Highway Agency.