US Bridges

K18 HWY over S F Solomon R Drain

Good

Rooks County, Kansas · 0.30MI SE Graham CO Line · Structure no. 999901800820271

Built
1950
75 years old
Condition
Good
inspected April 2023
Type
Culvert
Concrete
Length
29 ft
2 main spans
Daily traffic
515
2023 count
Owner
State
State Highway Agency

About this bridge

K18 HWY over S F Solomon R Drain is a concrete culvert carrying K18 HWY over S F Solomon R Drain in Rooks County, Kansas. It was built in 1950, so it is 75 years old, older 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 515 vehicles a day, roughly 39% of them trucks, projected to reach 592 by 2044. The structure is 29 ft (8.8 m) long and 34 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesK18 HWY
CrossesS F Solomon R Drain
Location0.30MI SE Graham CO Line
RouteState Highway 18
StateKansas
Coordinates39.33194, -99.59889
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
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating83.2 US tons
Inventory rating50 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length29 ft (8.8 m)
Longest span14 ft (4.3 m)
Deck width34 ft (10.5 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic515 (2023)
Projected traffic592 by 2044
Trucks39%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
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 K18 HWY over S F Solomon R Drain built?

It was built in 1950, making it 75 years old in 2025.

What condition is K18 HWY over S F Solomon R Drain 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 April 2023.

How much traffic does K18 HWY over S F Solomon R Drain carry?

About 515 vehicles per day (2023 count), of which roughly 39% are trucks.

How long is K18 HWY over S F Solomon R Drain?

The structure is 29 ft (8.8 m) long with a longest span of 14 ft (4.3 m) and a deck 34 ft wide.

Who owns K18 HWY over S F Solomon R Drain?

It is owned by the State Highway Agency.