US Bridges

W. Zenith (7) over Trib. N. Fork Solomon

FairPosted for load

Phillips County, Kansas · 1.5S 2.5W of Logan · Structure no. 000740577603500

Built
1940
85 years old
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
27 ft
1 main span
Daily traffic
35
2020 count
Owner
County
County Highway Agency

About this bridge

W. Zenith (7) over Trib. N. Fork Solomon is a steel stringer/multi-beam or girder carrying W. Zenith (7) over Trib. N. Fork Solomon in Phillips 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 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 35 vehicles a day, projected to reach 40 by 2044. The structure is 27 ft (8.2 m) long and 20 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesW. Zenith (7)
CrossesTrib. N. Fork Solomon
Location1.5S 2.5W of Logan
RouteCounty Highway 7402
CountyPhillips County
StateKansas
Coordinates39.63996, -99.61968
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating23.1 US tons
Inventory rating13.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckWood or timber
Main spans1
Design loadUnknown
Structure length27 ft (8.2 m)
Longest span25 ft (7.6 m)
Deck width20 ft (6.1 m)
Roadway width19 ft (5.9 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic35 (2020)
Projected traffic40 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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$97,000
NavigationNo navigation control on waterway

Frequently asked questions

When was W. Zenith (7) over Trib. N. Fork Solomon built?

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

What condition is W. Zenith (7) over Trib. N. 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 February 2024.

How much traffic does W. Zenith (7) over Trib. N. Fork Solomon carry?

About 35 vehicles per day (2020 count).

How long is W. Zenith (7) over Trib. N. Fork Solomon?

The structure is 27 ft (8.2 m) long with a longest span of 25 ft (7.6 m) and a deck 20 ft wide.

Who owns W. Zenith (7) over Trib. N. Fork Solomon?

It is owned by the County Highway Agency.