US Bridges

7-K.4 Local Rd. over Gannon Creek

Fair

Chase County, Kansas · 4.0N of Elmdale · Structure no. 000090895405160

Built
1940
85 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
55 ft
2 main spans
Daily traffic
25
2014 count
Owner
County
County Highway Agency

About this bridge

7-K.4 Local Rd. over Gannon Creek is a steel stringer/multi-beam or girder carrying 7-K.4 Local Rd. over Gannon Creek in Chase County, Kansas. It was built in 1940, so it is 85 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.

It carries about 25 vehicles a day, projected to reach 30 by 2042. The structure is 55 ft (16.8 m) long and 21 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
Carries7-K.4 Local Rd.
CrossesGannon Creek
Location4.0N of Elmdale
RouteCounty Highway 0
CountyChase County
StateKansas
Coordinates38.43497, -96.64633
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45.2 US tons
Inventory rating27 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length55 ft (16.8 m)
Longest span26 ft (8 m)
Deck width21 ft (6.3 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic25 (2014)
Projected traffic30 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 7-K.4 Local Rd. over Gannon Creek built?

It was built in 1940, making it 85 years old in 2025.

What condition is 7-K.4 Local Rd. over Gannon 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 April 2024.

How much traffic does 7-K.4 Local Rd. over Gannon Creek carry?

About 25 vehicles per day (2014 count).

How long is 7-K.4 Local Rd. over Gannon Creek?

The structure is 55 ft (16.8 m) long with a longest span of 26 ft (8 m) and a deck 21 ft wide.

Who owns 7-K.4 Local Rd. over Gannon Creek?

It is owned by the County Highway Agency.