US Bridges

I35 HWY over Coal Creek

Good

Coffey County, Kansas · 1.09 MI E Lyon Coln · Structure no. 999903500160011

Built
1971
54 years old
Condition
Good
inspected February 2024
Type
Culvert
Concrete
Length
25 ft
3 main spans
Daily traffic
7,601
2023 count
Owner
State
State Highway Agency

About this bridge

I35 HWY over Coal Creek is a concrete culvert carrying I35 HWY over Coal Creek in Coffey County, Kansas. It was built in 1971, so it is 54 years old, older 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 7,601 vehicles a day, roughly 25% of them trucks, projected to reach 8,567 by 2044. The structure is 25 ft (7.6 m) long and 174 ft wide.

CarriesI35 HWY
CrossesCoal Creek
Location1.09 MI E Lyon Coln
RouteInterstate 35
StateKansas
Coordinates38.41417, -95.93056
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
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating32 US tons
Inventory rating19 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length25 ft (7.6 m)
Longest span8 ft (2.4 m)
Deck width174 ft (52.9 m)
Roadway width80 ft (24.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,601 (2023)
Projected traffic8,567 by 2044
Trucks25%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 I35 HWY over Coal Creek built?

It was built in 1971, making it 54 years old in 2025.

What condition is I35 HWY over Coal Creek 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 February 2024.

How much traffic does I35 HWY over Coal Creek carry?

About 7,601 vehicles per day (2023 count), of which roughly 25% are trucks.

How long is I35 HWY over Coal Creek?

The structure is 25 ft (7.6 m) long with a longest span of 8 ft (2.4 m) and a deck 174 ft wide.

Who owns I35 HWY over Coal Creek?

It is owned by the State Highway Agency.