US Bridges

Rd. Bb over North Fork Solomon River

FairPosted for load

Norton County, Kansas · 1.1W of Lenora · Structure no. 000690533603540

Built
1970
55 years old
Condition
Fair
inspected February 2024
Type
Tee Beam
Prestressed Concrete
Length
111 ft
3 main spans
Daily traffic
30
2020 count
Owner
County
County Highway Agency

About this bridge

Rd. Bb over North Fork Solomon River is a prestressed concrete tee beam carrying Rd. Bb over North Fork Solomon River in Norton County, Kansas. It was built in 1970, so it is 55 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 5 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 2044. The structure is 111 ft (33.8 m) long and 24 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesRd. Bb
CrossesNorth Fork Solomon River
Location1.1W of Lenora
RouteCounty Highway 0
CountyNorton County
StateKansas
Coordinates39.61041, -100.02897
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating18 US tons
Inventory rating18 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadUnknown
Structure length111 ft (33.8 m)
Longest span40 ft (12.2 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic30 (2020)
Projected traffic30 by 2044
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 statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$325,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Rd. Bb over North Fork Solomon River built?

It was built in 1970, making it 55 years old in 2025.

What condition is Rd. Bb over North Fork Solomon River 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 February 2024.

How much traffic does Rd. Bb over North Fork Solomon River carry?

About 30 vehicles per day (2020 count).

How long is Rd. Bb over North Fork Solomon River?

The structure is 111 ft (33.8 m) long with a longest span of 40 ft (12.2 m) and a deck 24 ft wide.

Who owns Rd. Bb over North Fork Solomon River?

It is owned by the County Highway Agency.