US Bridges

FAS 582 over Star Ditch

FairPosted for load

Brown County, Illinois · 2.MI NE Cooperstown · Structure no. 005320600000000

Built
1900
125 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
25 ft
1 main span
Daily traffic
50
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

FAS 582 over Star Ditch is a steel stringer/multi-beam or girder carrying FAS 582 over Star Ditch in Brown County, Illinois. It was built in 1900, so it is 125 years old, older than the Illinois average of 45.3 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 50 vehicles a day, roughly 4% of them trucks, projected to reach 152 by 2046. The structure is 25 ft (7.6 m) long and 25 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesFAS 582
CrossesStar Ditch
Location2.MI NE Cooperstown
RouteCounty Highway 0
Coordinates39.97687, -90.56453
Functional classRural Major 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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating17.5 US tons
Inventory rating10.4 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length25 ft (7.6 m)
Longest span24 ft (7.3 m)
Deck width25 ft (7.5 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2023)
Projected traffic152 by 2046
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$81,000
NavigationNo navigation control on waterway

Frequently asked questions

When was FAS 582 over Star Ditch built?

It was built in 1900, making it 125 years old in 2025.

What condition is FAS 582 over Star Ditch 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 2023.

How much traffic does FAS 582 over Star Ditch carry?

About 50 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is FAS 582 over Star Ditch?

The structure is 25 ft (7.6 m) long with a longest span of 24 ft (7.3 m) and a deck 25 ft wide.

Who owns FAS 582 over Star Ditch?

It is owned by the Town or Township Highway Agency.