US Bridges

Minor Col B-12 over Turkey Creek

FairPosted for load

Nemaha County, Kansas · 1.0S 7.0W of Bern · Structure no. 000660951003068

Built
1959
66 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
230 ft
3 main spans
Daily traffic
80
2008 count
Owner
County
County Highway Agency

About this bridge

Minor Col B-12 over Turkey Creek is a steel continuous stringer/multi-beam or girder carrying Minor Col B-12 over Turkey Creek in Nemaha County, Kansas. It was built in 1959, so it is 66 years old, older than the Kansas average of 52.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 80 vehicles a day, projected to reach 85 by 2044. The structure is 230 ft (70.1 m) long and 27 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesMinor Col B-12
CrossesTurkey Creek
Location1.0S 7.0W of Bern
RouteCounty Highway 6603
CountyNemaha County
StateKansas
Coordinates39.94753, -96.10867
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating34.7 US tons
Inventory rating20.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length230 ft (70.1 m)
Longest span85 ft (25.9 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic80 (2008)
Projected traffic85 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Minor Col B-12 over Turkey Creek built?

It was built in 1959, making it 66 years old in 2025.

What condition is Minor Col B-12 over Turkey Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in March 2024.

How much traffic does Minor Col B-12 over Turkey Creek carry?

About 80 vehicles per day (2008 count).

How long is Minor Col B-12 over Turkey Creek?

The structure is 230 ft (70.1 m) long with a longest span of 85 ft (25.9 m) and a deck 27 ft wide.

Who owns Minor Col B-12 over Turkey Creek?

It is owned by the County Highway Agency.