US Bridges

K120 HWY over Mission Creek

Good

Doniphan County, Kansas · 0.25 MI N US36 · Structure no. 999912000220441

Built
1990
35 years old
Condition
Good
inspected June 2023
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
1,143
2023 count
Owner
State
State Highway Agency

About this bridge

K120 HWY over Mission Creek is a concrete culvert carrying K120 HWY over Mission Creek in Doniphan County, Kansas. It was built in 1990, so it is 35 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 1,143 vehicles a day, roughly 14% of them trucks, projected to reach 1,166 by 2044. The structure is 21 ft (6.3 m) long and 90 ft wide.

Location

Open in Google Maps
CarriesK120 HWY
CrossesMission Creek
Location0.25 MI N US36
RouteState Highway 120
CountyDoniphan County
StateKansas
Coordinates39.84333, -95.265
Functional classRural Major Collector

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 inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry8: Equal to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating18.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length21 ft (6.3 m)
Longest span10 ft (3 m)
Deck width90 ft (27.4 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,143 (2023)
Projected traffic1,166 by 2044
Trucks14%
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 K120 HWY over Mission Creek built?

It was built in 1990, making it 35 years old in 2025.

What condition is K120 HWY over Mission 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 2023.

How much traffic does K120 HWY over Mission Creek carry?

About 1,143 vehicles per day (2023 count), of which roughly 14% are trucks.

How long is K120 HWY over Mission Creek?

The structure is 21 ft (6.3 m) long with a longest span of 10 ft (3 m) and a deck 90 ft wide.

Who owns K120 HWY over Mission Creek?

It is owned by the State Highway Agency.