US Bridges

1st. Street over Mill Canal

FairPosted for load

Cowley County, Kansas · 1st. St. @ Jackson Ave. · Structure no. 501100180000003

Built
1935
90 years old
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
83 ft
2 main spans
Daily traffic
885
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

1st. Street over Mill Canal is a steel stringer/multi-beam or girder carrying 1st. Street over Mill Canal in Cowley County, Kansas. It was built in 1935, so it is 90 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 6 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 885 vehicles a day, roughly 2% of them trucks, projected to reach 1,315 by 2042. The structure is 83 ft (25.3 m) long and 28 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
Carries1st. Street
CrossesMill Canal
Location1st. St. @ Jackson Ave.
RouteCity Street 0
CountyCowley County
StateKansas
Coordinates37.05283, -97.03979
Functional classUrban 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
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 inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating48.3 US tons
Inventory rating28.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length83 ft (25.3 m)
Longest span40 ft (12.1 m)
Deck width28 ft (8.5 m)
Roadway width21 ft (6.4 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic885 (2022)
Projected traffic1,315 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$330,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 1st. Street over Mill Canal built?

It was built in 1935, making it 90 years old in 2025.

What condition is 1st. Street over Mill 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 February 2024.

How much traffic does 1st. Street over Mill Canal carry?

About 885 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is 1st. Street over Mill Canal?

The structure is 83 ft (25.3 m) long with a longest span of 40 ft (12.1 m) and a deck 28 ft wide.

Who owns 1st. Street over Mill Canal?

It is owned by the City or Municipal Highway Agency.