US Bridges

I-35 HWY SB over Dry Creek

Good

Lyon County, Kansas · 10.59 MI E of K-99 · Structure no. 999903500561281

Built
1976
49 years old
Condition
Good
inspected June 2024
Type
Slab
Concrete Continuous
Length
142 ft
3 main spans
Daily traffic
8,250
2023 count
Owner
State
State Highway Agency

About this bridge

I-35 HWY SB over Dry Creek is a concrete continuous slab carrying I-35 HWY SB over Dry Creek in Lyon County, Kansas. It was built in 1976, so it is 49 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 8,250 vehicles a day, roughly 23% of them trucks, projected to reach 9,299 by 2044. The structure is 142 ft (43.4 m) long and 50 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI-35 HWY SB
CrossesDry Creek
Location10.59 MI E of K-99
RouteInterstate 35
StateKansas
Coordinates38.40833, -95.99167
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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70 US tons
Inventory rating42 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length142 ft (43.4 m)
Longest span56 ft (17.1 m)
Deck width50 ft (15.2 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,250 (2023)
Projected traffic9,299 by 2044
Trucks23%
Lanes on structure3
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 SB over Dry Creek built?

It was built in 1976, making it 49 years old in 2025.

What condition is I-35 HWY SB over Dry 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 June 2024.

How much traffic does I-35 HWY SB over Dry Creek carry?

About 8,250 vehicles per day (2023 count), of which roughly 23% are trucks.

How long is I-35 HWY SB over Dry Creek?

The structure is 142 ft (43.4 m) long with a longest span of 56 ft (17.1 m) and a deck 50 ft wide.

Who owns I-35 HWY SB over Dry Creek?

It is owned by the State Highway Agency.