US Bridges

Rd. Q over Trib. to Prairie Dog Ck.

FairPosted for load

Norton County, Kansas · 4.0W 4.5S of Norton · Structure no. 000690541003320

Built
1966
59 years old
Condition
Fair
inspected February 2024
Type
Culvert
Concrete
Length
29 ft
2 main spans
Daily traffic
35
2020 count
Owner
County
County Highway Agency

About this bridge

Rd. Q over Trib. to Prairie Dog Ck. is a concrete culvert carrying Rd. Q over Trib. to Prairie Dog Ck. in Norton County, Kansas. It was built in 1966, so it is 59 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 35 vehicles a day, projected to reach 35 by 2044. The structure is 29 ft (8.8 m) long and 32 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesRd. Q
CrossesTrib. to Prairie Dog Ck.
Location4.0W 4.5S of Norton
RouteCounty Highway 6908
CountyNorton County
StateKansas
Coordinates39.76962, -99.96444
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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating23 US tons
Inventory rating23 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length29 ft (8.8 m)
Longest span14 ft (4.2 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic35 (2020)
Projected traffic35 by 2044
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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Rd. Q over Trib. to Prairie Dog Ck. built?

It was built in 1966, making it 59 years old in 2025.

What condition is Rd. Q over Trib. to Prairie Dog 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 February 2024.

How much traffic does Rd. Q over Trib. to Prairie Dog Ck. carry?

About 35 vehicles per day (2020 count).

How long is Rd. Q over Trib. to Prairie Dog Ck.?

The structure is 29 ft (8.8 m) long with a longest span of 14 ft (4.2 m) and a deck 32 ft wide.

Who owns Rd. Q over Trib. to Prairie Dog Ck.?

It is owned by the County Highway Agency.