US Bridges

I-35 HWY NB over Rock Creek

Fair

Franklin County, Kansas · .62 MI NE US-59 HWY NB · Structure no. 999903500300951

Built
2001
24 years old
Condition
Fair
inspected February 2024
Type
Slab
Concrete Continuous
Length
166 ft
3 main spans
Daily traffic
9,129
2023 count
Owner
State
State Highway Agency

About this bridge

I-35 HWY NB over Rock Creek is a concrete continuous slab carrying I-35 HWY NB over Rock Creek in Franklin County, Kansas. It was built in 2001, so it is 24 years old, younger 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 9,129 vehicles a day, roughly 24% of them trucks, projected to reach 12,055 by 2044. The structure is 166 ft (50.7 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI-35 HWY NB
CrossesRock Creek
Location.62 MI NE US-59 HWY NB
RouteInterstate 35
CountyFranklin County
StateKansas
Coordinates38.5775, -95.26028
Functional classUrban 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
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 evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating59 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 25 or greater
Structure length166 ft (50.7 m)
Longest span66 ft (20.1 m)
Deck width42 ft (12.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,129 (2023)
Projected traffic12,055 by 2044
Trucks24%
Lanes on structure2
Traffic directionOne-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 I-35 HWY NB over Rock Creek built?

It was built in 2001, making it 24 years old in 2025.

What condition is I-35 HWY NB 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 I-35 HWY NB over Rock Creek carry?

About 9,129 vehicles per day (2023 count), of which roughly 24% are trucks.

How long is I-35 HWY NB over Rock Creek?

The structure is 166 ft (50.7 m) long with a longest span of 66 ft (20.1 m) and a deck 42 ft wide.

Who owns I-35 HWY NB over Rock Creek?

It is owned by the State Highway Agency.