US Bridges

NW 190 A. A.0-1.9 over Silver Creek

Fair

Kingman County, Kansas · 5.0N 2.0W of Cunningham · Structure no. 000480697006129

Built
1945
80 years old, rebuilt 2010
Condition
Fair
inspected January 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
39 ft
2 main spans
Daily traffic
10
2021 count
Owner
County
County Highway Agency

About this bridge

NW 190 A. A.0-1.9 over Silver Creek is a wood or timber stringer/multi-beam or girder carrying NW 190 A. A.0-1.9 over Silver Creek in Kingman County, Kansas. It was built in 1945 and reconstructed in 2010, so it is 80 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, roughly 5% of them trucks, projected to reach 12 by 2043. The structure is 39 ft (12 m) long and 20 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesNW 190 A. A.0-1.9
CrossesSilver Creek
Location5.0N 2.0W of Cunningham
RouteCounty Highway 0
StateKansas
Coordinates37.71936, -98.46483
Functional classRural Local

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 inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating52.4 US tons
Inventory rating35.9 US tons

Structure

MaterialWood or Timber
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length39 ft (12 m)
Longest span19 ft (5.9 m)
Deck width20 ft (6.1 m)
Roadway width19 ft (5.9 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic10 (2021)
Projected traffic12 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was NW 190 A. A.0-1.9 over Silver Creek built?

It was built in 1945, making it 80 years old in 2025. It was reconstructed in 2010.

What condition is NW 190 A. A.0-1.9 over Silver 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 January 2023.

How much traffic does NW 190 A. A.0-1.9 over Silver Creek carry?

About 10 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is NW 190 A. A.0-1.9 over Silver Creek?

The structure is 39 ft (12 m) long with a longest span of 19 ft (5.9 m) and a deck 20 ft wide.

Who owns NW 190 A. A.0-1.9 over Silver Creek?

It is owned by the County Highway Agency.