US Bridges

46-11.9 Minor over Big Walnut Creek

FairPosted for load

Neosho County, Kansas · 2.5E 3.1N of St. Paul · Structure no. 000671061006349

Built
1960
65 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
220 ft
3 main spans
Daily traffic
50
2019 count
Owner
County
County Highway Agency

About this bridge

46-11.9 Minor over Big Walnut Creek is a steel continuous stringer/multi-beam or girder carrying 46-11.9 Minor over Big Walnut Creek in Neosho County, Kansas. It was built in 1960, so it is 65 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 50 vehicles a day, roughly 10% of them trucks, projected to reach 60 by 2044. The structure is 220 ft (67.1 m) long and 29 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
Carries46-11.9 Minor
CrossesBig Walnut Creek
Location2.5E 3.1N of St. Paul
RouteCounty Highway 6725
CountyNeosho County
StateKansas
Coordinates37.5583, -95.1256
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating37.8 US tons
Inventory rating22.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length220 ft (67.1 m)
Longest span84 ft (25.6 m)
Deck width29 ft (8.8 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic50 (2019)
Projected traffic60 by 2044
Trucks10%
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

OwnerCounty Highway Agency
Maintained byCounty 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 46-11.9 Minor over Big Walnut Creek built?

It was built in 1960, making it 65 years old in 2025.

What condition is 46-11.9 Minor over Big Walnut 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 November 2024.

How much traffic does 46-11.9 Minor over Big Walnut Creek carry?

About 50 vehicles per day (2019 count), of which roughly 10% are trucks.

How long is 46-11.9 Minor over Big Walnut Creek?

The structure is 220 ft (67.1 m) long with a longest span of 84 ft (25.6 m) and a deck 29 ft wide.

Who owns 46-11.9 Minor over Big Walnut Creek?

It is owned by the County Highway Agency.