US Bridges

6th RD (rs 431) over Raemer Creek

PoorPosted for load

Marshall County, Kansas · 0.5S of Herkimer · Structure no. 000000000580100

Built
1940
85 years old
Condition
Poor
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
43 ft
1 main span
Daily traffic
338
2007 count
Owner
County
County Highway Agency

About this bridge

6th RD (rs 431) over Raemer Creek is a steel stringer/multi-beam or girder carrying 6th RD (rs 431) over Raemer Creek in Marshall County, Kansas. It was built in 1940, so it is 85 years old, older than the Kansas average of 52.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 338 vehicles a day, roughly 11% of them trucks, projected to reach 380 by 2043. The structure is 43 ft (13.1 m) long and 27 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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Carries6th RD (rs 431)
CrossesRaemer Creek
Location0.5S of Herkimer
RouteCounty Highway 431
CountyMarshall County
StateKansas
Coordinates39.88533, -96.71268
Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.5 US tons
Inventory rating23.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length43 ft (13.1 m)
Longest span40 ft (12.1 m)
Deck width27 ft (8.3 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic338 (2007)
Projected traffic380 by 2043
Trucks11%
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 statusPossibly eligible for the National Register; requires further investigation
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$200,000
NavigationNo navigation control on waterway

Frequently asked questions

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

It was built in 1940, making it 85 years old in 2025.

What condition is 6th RD (rs 431) over Raemer Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in May 2023.

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

About 338 vehicles per day (2007 count), of which roughly 11% are trucks.

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

The structure is 43 ft (13.1 m) long with a longest span of 40 ft (12.1 m) and a deck 27 ft wide.

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

It is owned by the County Highway Agency.