US Bridges

6th Rd. over Trib. Dutch Creek

Fair

Marshall County, Kansas · 6.5S of Herkimer · Structure no. 000000000580070

Built
1920
105 years old
Condition
Fair
inspected May 2023
Type
Slab
Concrete Continuous
Length
36 ft
2 main spans
Daily traffic
108
2007 count
Owner
County
County Highway Agency

About this bridge

6th Rd. over Trib. Dutch Creek is a concrete continuous slab carrying 6th Rd. over Trib. Dutch Creek in Marshall County, Kansas. It was built in 1920, so it is 105 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.

It carries about 108 vehicles a day, projected to reach 115 by 2043. The structure is 36 ft (11 m) long and 27 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
Carries6th Rd.
CrossesTrib. Dutch Creek
Location6.5S of Herkimer
RouteCounty Highway 431
CountyMarshall County
StateKansas
Coordinates39.79524, -96.71308
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being 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 rating36 US tons
Inventory rating36 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length36 ft (11 m)
Longest span16 ft (4.9 m)
Deck width27 ft (8.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic108 (2007)
Projected traffic115 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 statusPossibly eligible for the National Register; requires further investigation
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$75,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 6th Rd. over Trib. Dutch Creek built?

It was built in 1920, making it 105 years old in 2025.

What condition is 6th Rd. over Trib. Dutch 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 May 2023.

How much traffic does 6th Rd. over Trib. Dutch Creek carry?

About 108 vehicles per day (2007 count).

How long is 6th Rd. over Trib. Dutch Creek?

The structure is 36 ft (11 m) long with a longest span of 16 ft (4.9 m) and a deck 27 ft wide.

Who owns 6th Rd. over Trib. Dutch Creek?

It is owned by the County Highway Agency.