US Bridges

Rd. Bb over N. Fork Solomon River

PoorPosted for load

Norton County, Kansas · 1.3E of Lenora · Structure no. 000690539403540

Built
1930
95 years old
Condition
Poor
inspected February 2024
Type
Tee Beam
Concrete
Length
42 ft
1 main span
Daily traffic
15
2020 count
Owner
County
County Highway Agency

About this bridge

Rd. Bb over N. Fork Solomon River is a concrete tee beam carrying Rd. Bb over N. Fork Solomon River in Norton County, Kansas. It was built in 1930, so it is 95 years old, older than the Kansas average of 52.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 15 vehicles a day, projected to reach 15 by 2044. The structure is 42 ft (12.9 m) long and 20 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesRd. Bb
CrossesN. Fork Solomon River
Location1.3E of Lenora
RouteCounty Highway 0
CountyNorton County
StateKansas
Coordinates39.61044, -99.97579
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating18 US tons
Inventory rating18 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length42 ft (12.9 m)
Longest span40 ft (12.1 m)
Deck width20 ft (6.2 m)
Roadway width17 ft (5.2 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic15 (2020)
Projected traffic15 by 2044
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$194,000
NavigationNo navigation control on waterway

Frequently asked questions

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

It was built in 1930, making it 95 years old in 2025.

What condition is Rd. Bb over N. Fork Solomon River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in February 2024.

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

About 15 vehicles per day (2020 count).

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

The structure is 42 ft (12.9 m) long with a longest span of 40 ft (12.1 m) and a deck 20 ft wide.

Who owns Rd. Bb over N. Fork Solomon River?

It is owned by the County Highway Agency.