US Bridges

Minor Col 11.2-M.7 over Trib. to Grasshopper Ck.

Fair

Atchison County, Kansas · 5.7N 1.3E of Effingham · Structure no. 000031029003543

Built
1935
90 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
28 ft
1 main span
Daily traffic
20
2007 count
Owner
County
County Highway Agency

About this bridge

Minor Col 11.2-M.7 over Trib. to Grasshopper Ck. is a steel stringer/multi-beam or girder carrying Minor Col 11.2-M.7 over Trib. to Grasshopper Ck. in Atchison 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.

It carries about 20 vehicles a day, projected to reach 30 by 2042. The structure is 28 ft (8.5 m) long and 16 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesMinor Col 11.2-M.7
CrossesTrib. to Grasshopper Ck.
Location5.7N 1.3E of Effingham
RouteCounty Highway 305
CountyAtchison County
StateKansas
Coordinates39.60298, -95.37714
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 inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating69.6 US tons
Inventory rating41.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckOther
Main spans1
Design loadUnknown
Structure length28 ft (8.5 m)
Longest span25 ft (7.6 m)
Deck width16 ft (4.9 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic20 (2007)
Projected traffic30 by 2042
Trucks0%
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 Minor Col 11.2-M.7 over Trib. to Grasshopper Ck. built?

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

What condition is Minor Col 11.2-M.7 over Trib. to Grasshopper Ck. 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 July 2024.

How much traffic does Minor Col 11.2-M.7 over Trib. to Grasshopper Ck. carry?

About 20 vehicles per day (2007 count).

How long is Minor Col 11.2-M.7 over Trib. to Grasshopper Ck.?

The structure is 28 ft (8.5 m) long with a longest span of 25 ft (7.6 m) and a deck 16 ft wide.

Who owns Minor Col 11.2-M.7 over Trib. to Grasshopper Ck.?

It is owned by the County Highway Agency.