US Bridges

C-1.1 Minor over First Creek

FairPosted for load

Ottawa County, Kansas · 1.7N 7.0W of Delphos · Structure no. 000720761003961

Built
1935
90 years old
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
33 ft
1 main span
Daily traffic
35
2001 count
Owner
County
County Highway Agency

About this bridge

C-1.1 Minor over First Creek is a steel stringer/multi-beam or girder carrying C-1.1 Minor over First Creek in Ottawa 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 35 vehicles a day, projected to reach 35 by 2044. The structure is 33 ft (10.1 m) long and 26 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesC-1.1 Minor
CrossesFirst Creek
Location1.7N 7.0W of Delphos
RouteCounty Highway 7205
CountyOttawa County
StateKansas
Coordinates39.305, -97.89194
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.
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; scour within limits of footing or piles
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating16.9 US tons
Inventory rating10.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length33 ft (10.1 m)
Longest span28 ft (8.4 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic35 (2001)
Projected traffic35 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 C-1.1 Minor over First Creek built?

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

What condition is C-1.1 Minor over First 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 February 2024.

How much traffic does C-1.1 Minor over First Creek carry?

About 35 vehicles per day (2001 count).

How long is C-1.1 Minor over First Creek?

The structure is 33 ft (10.1 m) long with a longest span of 28 ft (8.4 m) and a deck 26 ft wide.

Who owns C-1.1 Minor over First Creek?

It is owned by the County Highway Agency.