US Bridges

I70 HWY Nl-Sl over Big Creek Drainage

Fair

Ellis County, Kansas · 1.09 MI E Trego CO Line · Structure no. 999907000260031

Built
1965
60 years old
Condition
Fair
inspected April 2023
Type
Culvert
Concrete
Length
33 ft
2 main spans
Daily traffic
6,800
2023 count
Owner
State
State Highway Agency

About this bridge

I70 HWY Nl-Sl over Big Creek Drainage is a concrete culvert carrying I70 HWY Nl-Sl over Big Creek Drainage in Ellis 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 6,800 vehicles a day, roughly 24% of them trucks, projected to reach 8,980 by 2044. The structure is 33 ft (10 m) long and 156 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI70 HWY Nl-Sl
CrossesBig Creek Drainage
Location1.09 MI E Trego CO Line
RouteInterstate 70
CountyEllis County
StateKansas
Coordinates38.95, -99.57444
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51 US tons
Inventory rating30 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length33 ft (10 m)
Longest span16 ft (4.9 m)
Deck width156 ft (47.7 m)
Roadway width80 ft (24.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,800 (2023)
Projected traffic8,980 by 2044
Trucks24%
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 Big Creek Drainage built?

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

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

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

About 6,800 vehicles per day (2023 count), of which roughly 24% are trucks.

How long is I70 HWY Nl-Sl over Big Creek Drainage?

The structure is 33 ft (10 m) long with a longest span of 16 ft (4.9 m) and a deck 156 ft wide.

Who owns I70 HWY Nl-Sl over Big Creek Drainage?

It is owned by the State Highway Agency.