US Bridges

W. 300th Dr. over Trib East Fork Wolf CR

FairPosted for load

Osborne County, Kansas · 21.0S 7.5E of Osborne · Structure no. 000710689504200

Built
1950
75 years old
Condition
Fair
inspected May 2023
Type
Culvert
Concrete
Length
31 ft
3 main spans
Daily traffic
30
2020 count
Owner
County
County Highway Agency

About this bridge

W. 300th Dr. over Trib East Fork Wolf CR is a concrete culvert carrying W. 300th Dr. over Trib East Fork Wolf CR in Osborne 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 30 vehicles a day, projected to reach 30 by 2043. The structure is 31 ft (9.6 m) long and 30 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesW. 300th Dr.
CrossesTrib East Fork Wolf CR
Location21.0S 7.5E of Osborne
RouteCounty Highway 8434
CountyOsborne County
StateKansas
Coordinates39.13327, -98.55459
Functional classRural Minor 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 inspectionMay 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 rating38.1 US tons
Inventory rating22.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadH 15
Structure length31 ft (9.6 m)
Longest span10 ft (3 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic30 (2020)
Projected traffic30 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 W. 300th Dr. over Trib East Fork Wolf CR built?

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

What condition is W. 300th Dr. over Trib East Fork Wolf CR 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 May 2023.

How much traffic does W. 300th Dr. over Trib East Fork Wolf CR carry?

About 30 vehicles per day (2020 count).

How long is W. 300th Dr. over Trib East Fork Wolf CR?

The structure is 31 ft (9.6 m) long with a longest span of 10 ft (3 m) and a deck 30 ft wide.

Who owns W. 300th Dr. over Trib East Fork Wolf CR?

It is owned by the County Highway Agency.