US Bridges

Somerset RD over Trib. to North Wea Creek

FairPosted for load

Miami County, Kansas · 1.5N 0.3W of Somerset · Structure no. 000611095704885

Built
1910
115 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
26 ft
1 main span
Daily traffic
136
2011 count
Owner
County
County Highway Agency

About this bridge

Somerset RD over Trib. to North Wea Creek is a steel stringer/multi-beam or girder carrying Somerset RD over Trib. to North Wea Creek in Miami County, Kansas. It was built in 1910, so it is 115 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 136 vehicles a day, roughly 10% of them trucks, projected to reach 148 by 2043. The structure is 26 ft (7.9 m) long and 15 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Location

Open in Google Maps
CarriesSomerset RD
CrossesTrib. to North Wea Creek
Location1.5N 0.3W of Somerset
RouteCounty Highway 6109
CountyMiami County
StateKansas
Coordinates38.62907, -94.77367
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.
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 inspectionJune 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating25 US tons
Inventory rating15 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadUnknown
Structure length26 ft (7.9 m)
Longest span25 ft (7.7 m)
Deck width15 ft (4.7 m)
Roadway width15 ft (4.7 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic136 (2011)
Projected traffic148 by 2043
Trucks10%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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$600,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Somerset RD over Trib. to North Wea Creek built?

It was built in 1910, making it 115 years old in 2025.

What condition is Somerset RD over Trib. to North Wea 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 June 2023.

How much traffic does Somerset RD over Trib. to North Wea Creek carry?

About 136 vehicles per day (2011 count), of which roughly 10% are trucks.

How long is Somerset RD over Trib. to North Wea Creek?

The structure is 26 ft (7.9 m) long with a longest span of 25 ft (7.7 m) and a deck 15 ft wide.

Who owns Somerset RD over Trib. to North Wea Creek?

It is owned by the County Highway Agency.