US Bridges

I35 HWY over Rock Creek

Fair

Miami County, Kansas · Franklin Coln · Structure no. 999903500610011

Built
1958
67 years old, rebuilt 2002
Condition
Fair
inspected February 2024
Type
Culvert
Concrete
Length
32 ft
1 main span
Daily traffic
11,200
2023 count
Owner
State
State Highway Agency

About this bridge

I35 HWY over Rock Creek is a concrete culvert carrying I35 HWY over Rock Creek in Miami County, Kansas. It was built in 1958 and reconstructed in 2002, so it is 67 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 11,200 vehicles a day, roughly 18% of them trucks, projected to reach 15,385 by 2044. The structure is 32 ft (9.8 m) long and 194 ft wide.

Location

Open in Google Maps
CarriesI35 HWY
CrossesRock Creek
LocationFranklin Coln
RouteInterstate 35
CountyMiami County
StateKansas
Coordinates38.71167, -95.05583
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 inspectionFebruary 2024
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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.1 US tons
Inventory rating29 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length32 ft (9.8 m)
Longest span32 ft (9.8 m)
Deck width194 ft (59.1 m)
Roadway width80 ft (24.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,200 (2023)
Projected traffic15,385 by 2044
Trucks18%
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 Rock Creek built?

It was built in 1958, making it 67 years old in 2025. It was reconstructed in 2002.

What condition is I35 HWY over Rock 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 February 2024.

How much traffic does I35 HWY over Rock Creek carry?

About 11,200 vehicles per day (2023 count), of which roughly 18% are trucks.

How long is I35 HWY over Rock Creek?

The structure is 32 ft (9.8 m) long with a longest span of 32 ft (9.8 m) and a deck 194 ft wide.

Who owns I35 HWY over Rock Creek?

It is owned by the State Highway Agency.