US Bridges

Local Rd. 4.4-M.6 over Trib. to Grasshopper Ck.

FairPosted for load

Atchison County, Kansas · 3.6N 1.0E of Muscotah · Structure no. 000031015003544

Built
1934
91 years old
Condition
Fair
inspected July 2024
Type
Tee Beam
Concrete
Length
43 ft
1 main span
Daily traffic
30
2007 count
Owner
County
County Highway Agency

About this bridge

Local Rd. 4.4-M.6 over Trib. to Grasshopper Ck. is a concrete tee beam carrying Local Rd. 4.4-M.6 over Trib. to Grasshopper Ck. in Atchison County, Kansas. It was built in 1934, so it is 91 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 30 vehicles a day, projected to reach 45 by 2042. The structure is 43 ft (13.1 m) long and 23 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesLocal Rd. 4.4-M.6
CrossesTrib. to Grasshopper Ck.
Location3.6N 1.0E of Muscotah
RouteCounty Highway 0
CountyAtchison County
StateKansas
Coordinates39.60378, -95.50833
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 inspectionJuly 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 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 rating43.1 US tons
Inventory rating25.8 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckOther
Main spans1
Design loadUnknown
Structure length43 ft (13.1 m)
Longest span40 ft (12.1 m)
Deck width23 ft (6.9 m)
Roadway width19 ft (5.9 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic30 (2007)
Projected traffic45 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 Local Rd. 4.4-M.6 over Trib. to Grasshopper Ck. built?

It was built in 1934, making it 91 years old in 2025.

What condition is Local Rd. 4.4-M.6 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 Local Rd. 4.4-M.6 over Trib. to Grasshopper Ck. carry?

About 30 vehicles per day (2007 count).

How long is Local Rd. 4.4-M.6 over Trib. to Grasshopper Ck.?

The structure is 43 ft (13.1 m) long with a longest span of 40 ft (12.1 m) and a deck 23 ft wide.

Who owns Local Rd. 4.4-M.6 over Trib. to Grasshopper Ck.?

It is owned by the County Highway Agency.