US Bridges

Local Rd. K-21.6 over Deer Creek

Good

Atchison County, Kansas · 3.7W of Jct. K-7 · Structure no. 000031049503600

Built
1998
27 years old
Condition
Good
inspected July 2024
Type
Culvert
Concrete
Length
23 ft
1 main span
Daily traffic
2,675
2007 count
Owner
County
County Highway Agency

About this bridge

Local Rd. K-21.6 over Deer Creek is a concrete culvert carrying Local Rd. K-21.6 over Deer Creek in Atchison County, Kansas. It was built in 1998, so it is 27 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 2,675 vehicles a day, roughly 20% of them trucks, projected to reach 3,986 by 2042. The structure is 23 ft (7 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesLocal Rd. K-21.6
CrossesDeer Creek
Location3.7W of Jct. K-7
RouteCounty Highway 0
StateKansas
Coordinates39.56564, -95.18916
Functional classUrban Local

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating27.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length23 ft (7 m)
Longest span23 ft (7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic2,675 (2007)
Projected traffic3,986 by 2042
Trucks20%
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 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. K-21.6 over Deer Creek built?

It was built in 1998, making it 27 years old in 2025.

What condition is Local Rd. K-21.6 over Deer Creek 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. K-21.6 over Deer Creek carry?

About 2,675 vehicles per day (2007 count), of which roughly 20% are trucks.

How long is Local Rd. K-21.6 over Deer Creek?

The structure is 23 ft (7 m) long with a longest span of 23 ft (7 m).

Who owns Local Rd. K-21.6 over Deer Creek?

It is owned by the County Highway Agency.