US Bridges

K18 HWY over Spillman Creek Drainage

Good

Lincoln County, Kansas · 8.11 MI E K181 · Structure no. 999901800530191

Built
1953
72 years old
Condition
Good
inspected November 2024
Type
Culvert
Concrete
Length
25 ft
2 main spans
Daily traffic
930
2023 count
Owner
State
State Highway Agency

About this bridge

K18 HWY over Spillman Creek Drainage is a concrete culvert carrying K18 HWY over Spillman Creek Drainage in Lincoln County, Kansas. It was built in 1953, so it is 72 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 930 vehicles a day, roughly 16% of them trucks, projected to reach 1,007 by 2044. The structure is 25 ft (7.6 m) long and 45 ft wide. If it were closed, the detour would be 39.8 mi (64 km).

CarriesK18 HWY
CrossesSpillman Creek Drainage
Location8.11 MI E K181
RouteState Highway 18
StateKansas
Coordinates39.04583, -98.24833
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 protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating53.6 US tons
Inventory rating32 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length25 ft (7.6 m)
Longest span12 ft (3.7 m)
Deck width45 ft (13.7 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic930 (2023)
Projected traffic1,007 by 2044
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed39.8 mi (64 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 Spillman Creek Drainage built?

It was built in 1953, making it 72 years old in 2025.

What condition is K18 HWY over Spillman Creek Drainage 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 November 2024.

How much traffic does K18 HWY over Spillman Creek Drainage carry?

About 930 vehicles per day (2023 count), of which roughly 16% are trucks.

How long is K18 HWY over Spillman Creek Drainage?

The structure is 25 ft (7.6 m) long with a longest span of 12 ft (3.7 m) and a deck 45 ft wide.

Who owns K18 HWY over Spillman Creek Drainage?

It is owned by the State Highway Agency.