US Bridges

6th RD (rs 431) over Horseshoe Creek

FairPosted for load

Marshall County, Kansas · 2.0N of Herkimer · Structure no. 000000000580110

Built
1948
77 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
218 ft
3 main spans
Daily traffic
338
2007 count
Owner
County
County Highway Agency

About this bridge

6th RD (rs 431) over Horseshoe Creek is a steel continuous stringer/multi-beam or girder carrying 6th RD (rs 431) over Horseshoe Creek in Marshall County, Kansas. It was built in 1948, so it is 77 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 5 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 338 vehicles a day, projected to reach 350 by 2043. The structure is 218 ft (66.4 m) long and 26 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
Carries6th RD (rs 431)
CrossesHorseshoe Creek
Location2.0N of Herkimer
RouteCounty Highway 431
CountyMarshall County
StateKansas
Coordinates39.92146, -96.71255
Functional classRural Major 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionAugust 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating25.4 US tons
Inventory rating15.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length218 ft (66.4 m)
Longest span83 ft (25.2 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic338 (2007)
Projected traffic350 by 2043
Trucks0%
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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$45,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 6th RD (rs 431) over Horseshoe Creek built?

It was built in 1948, making it 77 years old in 2025.

What condition is 6th RD (rs 431) over Horseshoe 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 August 2024.

How much traffic does 6th RD (rs 431) over Horseshoe Creek carry?

About 338 vehicles per day (2007 count).

How long is 6th RD (rs 431) over Horseshoe Creek?

The structure is 218 ft (66.4 m) long with a longest span of 83 ft (25.2 m) and a deck 26 ft wide.

Who owns 6th RD (rs 431) over Horseshoe Creek?

It is owned by the County Highway Agency.