US Bridges

RD 20 over Trib. to Pawnee River

FairPosted for load

Ness County, Kansas · 11.0S 1.5E of Ness City · Structure no. 000000000680400

Built
1950
75 years old
Condition
Fair
inspected November 2023
Type
Culvert
Concrete
Length
43 ft
4 main spans
Daily traffic
85
2018 count
Owner
County
County Highway Agency

About this bridge

RD 20 over Trib. to Pawnee River is a concrete culvert carrying RD 20 over Trib. to Pawnee River in Ness County, Kansas. It was built in 1950, so it is 75 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 85 vehicles a day, roughly 10% of them trucks, projected to reach 100 by 2041. The structure is 43 ft (13.1 m) long and 31 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesRD 20
CrossesTrib. to Pawnee River
Location11.0S 1.5E of Ness City
RouteCounty Highway 325
CountyNess County
StateKansas
Coordinates38.29057, -99.86894
Functional classRural Major 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 inspectionNovember 2023
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating25 US tons
Inventory rating25 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length43 ft (13.1 m)
Longest span10 ft (3 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic85 (2018)
Projected traffic100 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 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 RD 20 over Trib. to Pawnee River built?

It was built in 1950, making it 75 years old in 2025.

What condition is RD 20 over Trib. to Pawnee River 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 November 2023.

How much traffic does RD 20 over Trib. to Pawnee River carry?

About 85 vehicles per day (2018 count), of which roughly 10% are trucks.

How long is RD 20 over Trib. to Pawnee River?

The structure is 43 ft (13.1 m) long with a longest span of 10 ft (3 m) and a deck 31 ft wide.

Who owns RD 20 over Trib. to Pawnee River?

It is owned by the County Highway Agency.