US Bridges

I35 HWY SB over Coal Creek

Good

Osage County, Kansas · 1.63 MI NE Coffey Coln SB · Structure no. 999903500700041

Built
1974
51 years old
Condition
Good
inspected February 2024
Type
Tee Beam
Concrete Continuous
Length
190 ft
3 main spans
Daily traffic
6,750
2023 count
Owner
State
State Highway Agency

About this bridge

I35 HWY SB over Coal Creek is a concrete continuous tee beam carrying I35 HWY SB over Coal Creek in Osage County, Kansas. It was built in 1974, so it is 51 years old, younger 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 6,750 vehicles a day, roughly 30% of them trucks, projected to reach 7,916 by 2044. The structure is 190 ft (57.8 m) long and 42 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesI35 HWY SB
CrossesCoal Creek
Location1.63 MI NE Coffey Coln SB
RouteInterstate 35
StateKansas
Coordinates38.44083, -95.68056
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than 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 rating86.2 US tons
Inventory rating52.1 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length190 ft (57.8 m)
Longest span77 ft (23.5 m)
Deck width42 ft (12.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,750 (2023)
Projected traffic7,916 by 2044
Trucks30%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 I35 HWY SB over Coal Creek built?

It was built in 1974, making it 51 years old in 2025.

What condition is I35 HWY SB 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 SB over Coal Creek carry?

About 6,750 vehicles per day (2023 count), of which roughly 30% are trucks.

How long is I35 HWY SB over Coal Creek?

The structure is 190 ft (57.8 m) long with a longest span of 77 ft (23.5 m) and a deck 42 ft wide.

Who owns I35 HWY SB over Coal Creek?

It is owned by the State Highway Agency.