US Bridges

RD 20 over Trib. to Pawnee River

GoodPosted for load

Ness County, Kansas · 11.0S 2.5E of Ness City · Structure no. 000000000680410

Built
1950
75 years old
Condition
Good
inspected November 2023
Type
Culvert
Concrete
Length
26 ft
3 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 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 85 vehicles a day, roughly 10% of them trucks, projected to reach 100 by 2041. The structure is 26 ft (7.8 m) long. If it were closed, the detour would be 3.7 mi (6 km).

CarriesRD 20
CrossesTrib. to Pawnee River
Location11.0S 2.5E of Ness City
RouteCounty Highway 325
StateKansas
Coordinates38.29066, -99.84854
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 evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than 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 spans3
Design loadHS 20
Structure length26 ft (7.8 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 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 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 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 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 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 26 ft (7.8 m) long with a longest span of 8 ft (2.4 m).

Who owns RD 20 over Trib. to Pawnee River?

It is owned by the County Highway Agency.