US Bridges

S. 70th Ave. over South Fork Solomon River

Good

Osborne County, Kansas · 0.6S 4.0E of Osborne · Structure no. 000710683003786

Built
1996
29 years old
Condition
Good
inspected May 2023
Type
Slab
Concrete Continuous
Length
164 ft
3 main spans
Daily traffic
35
2020 count
Owner
County
County Highway Agency

About this bridge

S. 70th Ave. over South Fork Solomon River is a concrete continuous slab carrying S. 70th Ave. over South Fork Solomon River in Osborne County, Kansas. It was built in 1996, so it is 29 years old, younger 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 35 vehicles a day, projected to reach 40 by 2043. The structure is 164 ft (50 m) long and 28 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesS. 70th Ave.
CrossesSouth Fork Solomon River
Location0.6S 4.0E of Osborne
RouteCounty Highway 7115
CountyOsborne County
StateKansas
Coordinates39.42972, -98.62004
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
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 rating42.4 US tons
Inventory rating25.4 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length164 ft (50 m)
Longest span64 ft (19.5 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic35 (2020)
Projected traffic40 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 S. 70th Ave. over South Fork Solomon River built?

It was built in 1996, making it 29 years old in 2025.

What condition is S. 70th Ave. over South Fork Solomon 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 May 2023.

How much traffic does S. 70th Ave. over South Fork Solomon River carry?

About 35 vehicles per day (2020 count).

How long is S. 70th Ave. over South Fork Solomon River?

The structure is 164 ft (50 m) long with a longest span of 64 ft (19.5 m) and a deck 28 ft wide.

Who owns S. 70th Ave. over South Fork Solomon River?

It is owned by the County Highway Agency.