US Bridges

Minor Col F-9 over South Fork Nemaha River

Good

Nemaha County, Kansas · 0.5N 5.5W of Oneida · Structure no. 000660957403180

Built
1999
26 years old
Condition
Good
inspected March 2024
Type
Slab
Concrete Continuous
Length
204 ft
4 main spans
Daily traffic
80
2008 count
Owner
County
County Highway Agency

About this bridge

Minor Col F-9 over South Fork Nemaha River is a concrete continuous slab carrying Minor Col F-9 over South Fork Nemaha River in Nemaha County, Kansas. It was built in 1999, so it is 26 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 80 vehicles a day, projected to reach 95 by 2044. The structure is 204 ft (62.2 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesMinor Col F-9
CrossesSouth Fork Nemaha River
Location0.5N 5.5W of Oneida
RouteCounty Highway 6607
StateKansas
Coordinates39.87061, -96.04486
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2024
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating84.8 US tons
Inventory rating50.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length204 ft (62.2 m)
Longest span57 ft (17.5 m)
Deck width28 ft (8.6 m)
Roadway width26 ft (8 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic80 (2008)
Projected traffic95 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$338,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Minor Col F-9 over South Fork Nemaha River built?

It was built in 1999, making it 26 years old in 2025.

What condition is Minor Col F-9 over South Fork Nemaha River 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 March 2024.

How much traffic does Minor Col F-9 over South Fork Nemaha River carry?

About 80 vehicles per day (2008 count).

How long is Minor Col F-9 over South Fork Nemaha River?

The structure is 204 ft (62.2 m) long with a longest span of 57 ft (17.5 m) and a deck 28 ft wide.

Who owns Minor Col F-9 over South Fork Nemaha River?

It is owned by the County Highway Agency.