US Bridges

K18 HWY over Saline River Drainage

Good

Ottawa County, Kansas · 9.53 MI E Lincoln Coln · Structure no. 999901800720141

Built
1962
63 years old
Condition
Good
inspected November 2024
Type
Culvert
Concrete
Length
29 ft
2 main spans
Daily traffic
1,044
2023 count
Owner
State
State Highway Agency

About this bridge

K18 HWY over Saline River Drainage is a concrete culvert carrying K18 HWY over Saline River Drainage in Ottawa County, Kansas. It was built in 1962, so it is 63 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 1,044 vehicles a day, roughly 20% of them trucks, projected to reach 1,274 by 2044. The structure is 29 ft (8.8 m) long and 68 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesK18 HWY
CrossesSaline River Drainage
Location9.53 MI E Lincoln Coln
RouteState Highway 18
StateKansas
Coordinates39.01639, -97.75111
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 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 geometry8: Equal to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating70 US tons
Inventory rating42 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 width68 ft (20.6 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,044 (2023)
Projected traffic1,274 by 2044
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 Saline River Drainage built?

It was built in 1962, making it 63 years old in 2025.

What condition is K18 HWY over Saline River 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 Saline River Drainage carry?

About 1,044 vehicles per day (2023 count), of which roughly 20% are trucks.

How long is K18 HWY over Saline River Drainage?

The structure is 29 ft (8.8 m) long with a longest span of 14 ft (4.3 m) and a deck 68 ft wide.

Who owns K18 HWY over Saline River Drainage?

It is owned by the State Highway Agency.