US Bridges

W. 30th Dr. over Trib North Fork Solomon

Fair

Osborne County, Kansas · 1.0N 1.1E of Downs · Structure no. 000710693103660

Built
1940
85 years old
Condition
Fair
inspected May 2023
Type
Slab
Concrete Continuous
Length
34 ft
3 main spans
Daily traffic
20
2020 count
Owner
County
County Highway Agency

About this bridge

W. 30th Dr. over Trib North Fork Solomon is a concrete continuous slab carrying W. 30th Dr. over Trib North Fork Solomon in Osborne County, Kansas. It was built in 1940, so it is 85 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.

It carries about 20 vehicles a day, projected to reach 20 by 2043. The structure is 34 ft (10.4 m) long and 25 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesW. 30th Dr.
CrossesTrib North Fork Solomon
Location1.0N 1.1E of Downs
RouteCounty Highway 0
CountyOsborne County
StateKansas
Coordinates39.52384, -98.5225
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating36 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length34 ft (10.4 m)
Longest span11 ft (3.3 m)
Deck width25 ft (7.6 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic20 (2020)
Projected traffic20 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. 30th Dr. over Trib North Fork Solomon built?

It was built in 1940, making it 85 years old in 2025.

What condition is W. 30th Dr. over Trib North Fork Solomon 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. 30th Dr. over Trib North Fork Solomon carry?

About 20 vehicles per day (2020 count).

How long is W. 30th Dr. over Trib North Fork Solomon?

The structure is 34 ft (10.4 m) long with a longest span of 11 ft (3.3 m) and a deck 25 ft wide.

Who owns W. 30th Dr. over Trib North Fork Solomon?

It is owned by the County Highway Agency.