US Bridges

Local 58 P.8-580 over Unnamed Stream

FairPosted for load

Morris County, Kansas · 1.7E 2.3N Council Grove · Structure no. 000640915304788

Built
1920
105 years old, rebuilt 2022
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
31 ft
1 main span
Daily traffic
30
2011 count
Owner
County
County Highway Agency

About this bridge

Local 58 P.8-580 over Unnamed Stream is a steel stringer/multi-beam or girder carrying Local 58 P.8-580 over Unnamed Stream in Morris County, Kansas. It was built in 1920 and reconstructed in 2022, so it is 105 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 35 by 2040. The structure is 31 ft (9.4 m) long and 16 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesLocal 58 P.8-580
CrossesUnnamed Stream
Location1.7E 2.3N Council Grove
RouteCounty Highway 0
StateKansas
Coordinates38.69862, -96.44111
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating22.5 US tons
Inventory rating13.4 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length31 ft (9.4 m)
Longest span29 ft (8.8 m)
Deck width16 ft (4.9 m)
Roadway width15 ft (4.6 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic30 (2011)
Projected traffic35 by 2040
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Local 58 P.8-580 over Unnamed Stream built?

It was built in 1920, making it 105 years old in 2025. It was reconstructed in 2022.

What condition is Local 58 P.8-580 over Unnamed Stream 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 October 2024.

How much traffic does Local 58 P.8-580 over Unnamed Stream carry?

About 30 vehicles per day (2011 count).

How long is Local 58 P.8-580 over Unnamed Stream?

The structure is 31 ft (9.4 m) long with a longest span of 29 ft (8.8 m) and a deck 16 ft wide.

Who owns Local 58 P.8-580 over Unnamed Stream?

It is owned by the County Highway Agency.