US Bridges

K-18 HWY over US-77 HWY

Good

Geary County, Kansas · US-77/K-18 JCT · Structure no. 999901800310881

Built
2018
7 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
282 ft
4 main spans
Daily traffic
7,046
2023 count
Owner
State
State Highway Agency

About this bridge

K-18 HWY over US-77 HWY is a prestressed concrete continuous stringer/multi-beam or girder carrying K-18 HWY over US-77 HWY in Geary County, Kansas. It was built in 2018, so it is 7 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 7,046 vehicles a day, roughly 1% of them trucks, projected to reach 8,597 by 2044. The structure is 282 ft (86.1 m) long and 69 ft wide.

CarriesK-18 HWY
CrossesUS-77 HWY
LocationUS-77/K-18 JCT
RouteState Highway 18
StateKansas
Coordinates39.03, -96.86528
Functional classUrban 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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating68.9 US tons
Inventory rating41.8 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckNot applicable
Main spans4
Design loadHL 93
Structure length282 ft (86.1 m)
Longest span93 ft (28.3 m)
Deck width69 ft (21 m)
Roadway width56 ft (17.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,046 (2023)
Projected traffic8,597 by 2044
Trucks1%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
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-18 HWY over US-77 HWY built?

It was built in 2018, making it 7 years old in 2025.

What condition is K-18 HWY over US-77 HWY 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 October 2023.

How much traffic does K-18 HWY over US-77 HWY carry?

About 7,046 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is K-18 HWY over US-77 HWY?

The structure is 282 ft (86.1 m) long with a longest span of 93 ft (28.3 m) and a deck 69 ft wide.

Who owns K-18 HWY over US-77 HWY?

It is owned by the State Highway Agency.