US Bridges

Local Rd. 6.4-O.9 over Trib. to Grasshopper Ck.

FairPosted for load

Atchison County, Kansas · 5.9N 3.0E of Muscotah · Structure no. 000031019003501

Built
1925
100 years old
Condition
Fair
inspected July 2024
Type
Tee Beam
Concrete
Length
48 ft
1 main span
Daily traffic
20
2007 count
Owner
County
County Highway Agency

About this bridge

Local Rd. 6.4-O.9 over Trib. to Grasshopper Ck. is a concrete tee beam carrying Local Rd. 6.4-O.9 over Trib. to Grasshopper Ck. in Atchison County, Kansas. It was built in 1925, so it is 100 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 20 vehicles a day, projected to reach 30 by 2042. The structure is 48 ft (14.6 m) long and 20 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesLocal Rd. 6.4-O.9
CrossesTrib. to Grasshopper Ck.
Location5.9N 3.0E of Muscotah
RouteCounty Highway 0
CountyAtchison County
StateKansas
Coordinates39.63575, -95.47086
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.
Superstructure7 GoodSome minor problems.
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 statusPosted for load 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 rating56.2 US tons
Inventory rating33.8 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length48 ft (14.6 m)
Longest span45 ft (13.7 m)
Deck width20 ft (6.2 m)
Roadway width17 ft (5.3 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$305,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Local Rd. 6.4-O.9 over Trib. to Grasshopper Ck. built?

It was built in 1925, making it 100 years old in 2025.

What condition is Local Rd. 6.4-O.9 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. 6.4-O.9 over Trib. to Grasshopper Ck. carry?

About 20 vehicles per day (2007 count).

How long is Local Rd. 6.4-O.9 over Trib. to Grasshopper Ck.?

The structure is 48 ft (14.6 m) long with a longest span of 45 ft (13.7 m) and a deck 20 ft wide.

Who owns Local Rd. 6.4-O.9 over Trib. to Grasshopper Ck.?

It is owned by the County Highway Agency.