US Bridges

1-F.8 Minor over Trib. to Verdigris Riv.

Fair

Wilson County, Kansas · 3.0N 2.3E of Coyville · Structure no. 001030979806120

Built
1920
105 years old, rebuilt 2005
Condition
Fair
inspected August 2024
Type
Slab
Concrete Continuous
Length
37 ft
2 main spans
Daily traffic
10
2013 count
Owner
County
County Highway Agency

About this bridge

1-F.8 Minor over Trib. to Verdigris Riv. is a concrete continuous slab carrying 1-F.8 Minor over Trib. to Verdigris Riv. in Wilson County, Kansas. It was built in 1920 and reconstructed in 2005, 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 10 vehicles a day, projected to reach 10 by 2042. The structure is 37 ft (11.3 m) long and 17 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Carries1-F.8 Minor
CrossesTrib. to Verdigris Riv.
Location3.0N 2.3E of Coyville
RouteCounty Highway 10328
StateKansas
Coordinates37.73416, -95.85454
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no 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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating65.1 US tons
Inventory rating38.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length37 ft (11.3 m)
Longest span14 ft (4.4 m)
Deck width17 ft (5.2 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic10 (2013)
Projected traffic10 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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$240,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 1-F.8 Minor over Trib. to Verdigris Riv. built?

It was built in 1920, making it 105 years old in 2025. It was reconstructed in 2005.

What condition is 1-F.8 Minor over Trib. to Verdigris Riv. 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 1-F.8 Minor over Trib. to Verdigris Riv. carry?

About 10 vehicles per day (2013 count).

How long is 1-F.8 Minor over Trib. to Verdigris Riv.?

The structure is 37 ft (11.3 m) long with a longest span of 14 ft (4.4 m) and a deck 17 ft wide.

Who owns 1-F.8 Minor over Trib. to Verdigris Riv.?

It is owned by the County Highway Agency.