US Bridges

Minor Z.6-8.0 over Trib. to White Rock Ck.

Fair

Jewell County, Kansas · 4.8N 3.0W of Burr Oak · Structure no. 000450711003082

Built
1983
42 years old
Condition
Fair
inspected March 2023
Type
Culvert
Concrete
Length
35 ft
3 main spans
Daily traffic
40
2018 count
Owner
County
County Highway Agency

About this bridge

Minor Z.6-8.0 over Trib. to White Rock Ck. is a concrete culvert carrying Minor Z.6-8.0 over Trib. to White Rock Ck. in Jewell County, Kansas. It was built in 1983, so it is 42 years old, younger 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 40 vehicles a day, projected to reach 40 by 2043. The structure is 35 ft (10.7 m) long and 41 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesMinor Z.6-8.0
CrossesTrib. to White Rock Ck.
Location4.8N 3.0W of Burr Oak
RouteCounty Highway 4505
CountyJewell County
StateKansas
Coordinates39.93823, -98.36228
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadH 20
Structure length35 ft (10.7 m)
Longest span11 ft (3.4 m)
Deck width41 ft (12.6 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic40 (2018)
Projected traffic40 by 2043
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 statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$175,000 (2018 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Minor Z.6-8.0 over Trib. to White Rock Ck. built?

It was built in 1983, making it 42 years old in 2025.

What condition is Minor Z.6-8.0 over Trib. to White Rock 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 March 2023.

How much traffic does Minor Z.6-8.0 over Trib. to White Rock Ck. carry?

About 40 vehicles per day (2018 count).

How long is Minor Z.6-8.0 over Trib. to White Rock Ck.?

The structure is 35 ft (10.7 m) long with a longest span of 11 ft (3.4 m) and a deck 41 ft wide.

Who owns Minor Z.6-8.0 over Trib. to White Rock Ck.?

It is owned by the County Highway Agency.