US Bridges

S 20th Ave_rs 866 over Trib East Fork Wolf CR

Good

Osborne County, Kansas · 13.2S 9.0E of Osborne · Structure no. 000000000710430

Built
1953
72 years old
Condition
Good
inspected August 2024
Type
Culvert
Concrete
Length
63 ft
6 main spans
Daily traffic
100
2020 count
Owner
County
County Highway Agency

About this bridge

S 20th Ave_rs 866 over Trib East Fork Wolf CR is a concrete culvert carrying S 20th Ave_rs 866 over Trib East Fork Wolf CR in Osborne County, Kansas. It was built in 1953, so it is 72 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.

It carries about 100 vehicles a day, roughly 10% of them trucks, projected to reach 120 by 2043. The structure is 63 ft (19.3 m) long and 26 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesS 20th Ave_rs 866
CrossesTrib East Fork Wolf CR
Location13.2S 9.0E of Osborne
RouteCounty Highway 866
StateKansas
Coordinates39.2461, -98.52723
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45.5 US tons
Inventory rating27.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans6
Design loadH 15
Structure length63 ft (19.3 m)
Longest span10 ft (3 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic100 (2020)
Projected traffic120 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was S 20th Ave_rs 866 over Trib East Fork Wolf CR built?

It was built in 1953, making it 72 years old in 2025.

What condition is S 20th Ave_rs 866 over Trib East Fork Wolf CR 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 August 2024.

How much traffic does S 20th Ave_rs 866 over Trib East Fork Wolf CR carry?

About 100 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is S 20th Ave_rs 866 over Trib East Fork Wolf CR?

The structure is 63 ft (19.3 m) long with a longest span of 10 ft (3 m) and a deck 26 ft wide.

Who owns S 20th Ave_rs 866 over Trib East Fork Wolf CR?

It is owned by the County Highway Agency.