US Bridges

D Road over Kirwin Main Canal

FairPosted for load

Smith County, Kansas · 0.5N 1.0E of Claudell · Structure no. 000920643003449

Built
2003
22 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
30 ft
1 main span
Daily traffic
10
2020 count
Owner
County
County Highway Agency

About this bridge

D Road over Kirwin Main Canal is a steel stringer/multi-beam or girder carrying D Road over Kirwin Main Canal in Smith County, Kansas. It was built in 2003, so it is 22 years old, younger 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 10 vehicles a day, projected to reach 20 by 2043. The structure is 30 ft (9.2 m) long and 25 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesD Road
CrossesKirwin Main Canal
Location0.5N 1.0E of Claudell
RouteCounty Highway 0
StateKansas
Coordinates39.67069, -99.01028
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 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 geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating27.9 US tons
Inventory rating16.6 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans1
Design loadHS 20
Structure length30 ft (9.2 m)
Longest span29 ft (8.7 m)
Deck width25 ft (7.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic10 (2020)
Projected traffic20 by 2043
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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was D Road over Kirwin Main Canal built?

It was built in 2003, making it 22 years old in 2025.

What condition is D Road over Kirwin Main Canal 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 March 2023.

How much traffic does D Road over Kirwin Main Canal carry?

About 10 vehicles per day (2020 count).

How long is D Road over Kirwin Main Canal?

The structure is 30 ft (9.2 m) long with a longest span of 29 ft (8.7 m) and a deck 25 ft wide.

Who owns D Road over Kirwin Main Canal?

It is owned by the County Highway Agency.