US Bridges

K139 HWY over South Fork Mill Creek

Good

Republic County, Kansas · 0.53 MI S US-36 · Structure no. 999913900790661

Built
2008
17 years old
Condition
Good
inspected December 2024
Type
Culvert
Concrete
Length
63 ft
3 main spans
Daily traffic
462
2023 count
Owner
State
State Highway Agency

About this bridge

K139 HWY over South Fork Mill Creek is a concrete culvert carrying K139 HWY over South Fork Mill Creek in Republic County, Kansas. It was built in 2008, so it is 17 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 462 vehicles a day, roughly 22% of them trucks, projected to reach 471 by 2044. The structure is 63 ft (19.3 m) long and 100 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesK139 HWY
CrossesSouth Fork Mill Creek
Location0.53 MI S US-36
RouteState Highway 139
StateKansas
Coordinates39.80528, -97.4625
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 inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating110.1 US tons
Inventory rating83 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length63 ft (19.3 m)
Longest span14 ft (4.3 m)
Deck width100 ft (30.5 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic462 (2023)
Projected traffic471 by 2044
Trucks22%
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 K139 HWY over South Fork Mill Creek built?

It was built in 2008, making it 17 years old in 2025.

What condition is K139 HWY over South Fork Mill 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 December 2024.

How much traffic does K139 HWY over South Fork Mill Creek carry?

About 462 vehicles per day (2023 count), of which roughly 22% are trucks.

How long is K139 HWY over South Fork Mill Creek?

The structure is 63 ft (19.3 m) long with a longest span of 14 ft (4.3 m) and a deck 100 ft wide.

Who owns K139 HWY over South Fork Mill Creek?

It is owned by the State Highway Agency.