US Bridges

I70 HWY Nl-Sl over Fossil Creek

Fair

Russell County, Kansas · 7.92 MI E Ellis CO LN · Structure no. 999907000840081

Built
1965
60 years old
Condition
Fair
inspected April 2023
Type
Culvert
Concrete
Length
37 ft
3 main spans
Daily traffic
8,250
2023 count
Owner
State
State Highway Agency

About this bridge

I70 HWY Nl-Sl over Fossil Creek is a concrete culvert carrying I70 HWY Nl-Sl over Fossil Creek in Russell County, Kansas. It was built in 1965, so it is 60 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 8,250 vehicles a day, roughly 20% of them trucks, projected to reach 9,869 by 2044. The structure is 37 ft (11.4 m) long and 150 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI70 HWY Nl-Sl
CrossesFossil Creek
Location7.92 MI E Ellis CO LN
RouteInterstate 70
StateKansas
Coordinates38.86389, -98.89333
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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58 US tons
Inventory rating34 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length37 ft (11.4 m)
Longest span12 ft (3.7 m)
Deck width150 ft (45.6 m)
Roadway width80 ft (24.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,250 (2023)
Projected traffic9,869 by 2044
Trucks20%
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 Fossil Creek built?

It was built in 1965, making it 60 years old in 2025.

What condition is I70 HWY Nl-Sl over Fossil 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 April 2023.

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

About 8,250 vehicles per day (2023 count), of which roughly 20% are trucks.

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

The structure is 37 ft (11.4 m) long with a longest span of 12 ft (3.7 m) and a deck 150 ft wide.

Who owns I70 HWY Nl-Sl over Fossil Creek?

It is owned by the State Highway Agency.