US Bridges

Local Rd. 6.4-N.2 over Trib. to Grasshopper Ck.

Good

Atchison County, Kansas · 4.2N 3.0E of Muscotah · Structure no. 000031019003528

Built
1999
26 years old
Condition
Good
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
51 ft
1 main span
Daily traffic
15
2007 count
Owner
County
County Highway Agency

About this bridge

Local Rd. 6.4-N.2 over Trib. to Grasshopper Ck. is a steel stringer/multi-beam or girder carrying Local Rd. 6.4-N.2 over Trib. to Grasshopper Ck. in Atchison County, Kansas. It was built in 1999, so it is 26 years old, younger than the Kansas average of 52.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 15 vehicles a day, projected to reach 22 by 2042. The structure is 51 ft (15.4 m) long and 24 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesLocal Rd. 6.4-N.2
CrossesTrib. to Grasshopper Ck.
Location4.2N 3.0E of Muscotah
RouteCounty Highway 0
StateKansas
Coordinates39.6132, -95.47079
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
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 evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.2 US tons
Inventory rating37.9 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadH 20
Structure length51 ft (15.4 m)
Longest span49 ft (15 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic15 (2007)
Projected traffic22 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Local Rd. 6.4-N.2 over Trib. to Grasshopper Ck. built?

It was built in 1999, making it 26 years old in 2025.

What condition is Local Rd. 6.4-N.2 over Trib. to Grasshopper Ck. in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in July 2024.

How much traffic does Local Rd. 6.4-N.2 over Trib. to Grasshopper Ck. carry?

About 15 vehicles per day (2007 count).

How long is Local Rd. 6.4-N.2 over Trib. to Grasshopper Ck.?

The structure is 51 ft (15.4 m) long with a longest span of 49 ft (15 m) and a deck 24 ft wide.

Who owns Local Rd. 6.4-N.2 over Trib. to Grasshopper Ck.?

It is owned by the County Highway Agency.