US Bridges

K-99 HWY over Eagle Creek

Good

Lyon County, Kansas · 5.99 MI N Gw Coln · Structure no. 999909900561591

Built
2010
15 years old
Condition
Good
inspected June 2024
Type
Slab
Concrete Continuous
Length
182 ft
3 main spans
Daily traffic
1,539
2023 count
Owner
State
State Highway Agency

About this bridge

K-99 HWY over Eagle Creek is a concrete continuous slab carrying K-99 HWY over Eagle Creek in Lyon County, Kansas. It was built in 2010, so it is 15 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 1,539 vehicles a day, roughly 15% of them trucks, projected to reach 1,570 by 2044. The structure is 182 ft (55.6 m) long and 46 ft wide.

CarriesK-99 HWY
CrossesEagle Creek
Location5.99 MI N Gw Coln
RouteState Highway 99
StateKansas
Coordinates38.25583, -96.15611
Functional classRural Minor Arterial

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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 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 geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating71.4 US tons
Inventory rating55.3 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHL 93
Structure length182 ft (55.6 m)
Longest span72 ft (21.9 m)
Deck width46 ft (14 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,539 (2023)
Projected traffic1,570 by 2044
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

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 K-99 HWY over Eagle Creek built?

It was built in 2010, making it 15 years old in 2025.

What condition is K-99 HWY over Eagle 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 K-99 HWY over Eagle Creek carry?

About 1,539 vehicles per day (2023 count), of which roughly 15% are trucks.

How long is K-99 HWY over Eagle Creek?

The structure is 182 ft (55.6 m) long with a longest span of 72 ft (21.9 m) and a deck 46 ft wide.

Who owns K-99 HWY over Eagle Creek?

It is owned by the State Highway Agency.