US Bridges

20 Road over Trib. to White Woman Ck.

GoodPosted for load

Greeley County, Kansas · 4.0E 5.7N of Tribune · Structure no. 000000000360160

Built
1959
66 years old
Condition
Good
inspected November 2023
Type
Culvert
Concrete
Length
76 ft
7 main spans
Daily traffic
20
2022 count
Owner
County
County Highway Agency

About this bridge

20 Road over Trib. to White Woman Ck. is a concrete culvert carrying 20 Road over Trib. to White Woman Ck. in Greeley County, Kansas. It was built in 1959, so it is 66 years old, older 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. Its operating status is: posted for load restriction.

It carries about 20 vehicles a day, roughly 10% of them trucks, projected to reach 25 by 2041. The structure is 76 ft (23.1 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Carries20 Road
CrossesTrib. to White Woman Ck.
Location4.0E 5.7N of Tribune
RouteCounty Highway 1707
StateKansas
Coordinates38.54944, -101.67839
Functional classRural Major Collector

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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating20.9 US tons
Inventory rating12 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans7
Design loadH 15
Structure length76 ft (23.1 m)
Longest span10 ft (3 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic20 (2022)
Projected traffic25 by 2041
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 20 Road over Trib. to White Woman Ck. built?

It was built in 1959, making it 66 years old in 2025.

What condition is 20 Road over Trib. to White Woman 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 November 2023.

How much traffic does 20 Road over Trib. to White Woman Ck. carry?

About 20 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is 20 Road over Trib. to White Woman Ck.?

The structure is 76 ft (23.1 m) long with a longest span of 10 ft (3 m) and a deck 28 ft wide.

Who owns 20 Road over Trib. to White Woman Ck.?

It is owned by the County Highway Agency.