US Bridges

20th Rd. over Trib. to Cow Creek

Good

Rice County, Kansas · 0.3N of Saxman · Structure no. 000800735005365

Built
1990
35 years old
Condition
Good
inspected June 2024
Type
Culvert
Concrete
Length
21 ft
1 main span
Daily traffic
100
2021 count
Owner
County
County Highway Agency

About this bridge

20th Rd. over Trib. to Cow Creek is a concrete culvert carrying 20th Rd. over Trib. to Cow Creek in Rice County, Kansas. It was built in 1990, so it is 35 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 100 vehicles a day, roughly 5% of them trucks, projected to reach 120 by 2044. The structure is 21 ft (6.3 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Carries20th Rd.
CrossesTrib. to Cow Creek
Location0.3N of Saxman
RouteCounty Highway 8009
StateKansas
Coordinates38.28212, -98.12823
Functional classRural Minor 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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating81.5 US tons
Inventory rating48.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length21 ft (6.3 m)
Longest span21 ft (6.3 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic100 (2021)
Projected traffic120 by 2044
Trucks5%
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 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 20th Rd. over Trib. to Cow Creek built?

It was built in 1990, making it 35 years old in 2025.

What condition is 20th Rd. over Trib. to Cow 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 June 2024.

How much traffic does 20th Rd. over Trib. to Cow Creek carry?

About 100 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is 20th Rd. over Trib. to Cow Creek?

The structure is 21 ft (6.3 m) long with a longest span of 21 ft (6.3 m) and a deck 30 ft wide.

Who owns 20th Rd. over Trib. to Cow Creek?

It is owned by the County Highway Agency.