US Bridges

FAS 541(CH 6) over Stream

Fair

Piatt County, Illinois · 1 MI E Allerton Park · Structure no. 074007800000000

Built
1980
45 years old
Condition
Fair
inspected February 2025
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
57 ft
1 main span
Daily traffic
350
2020 count
Owner
County
County Highway Agency

About this bridge

FAS 541(CH 6) over Stream is a prestressed concrete stringer/multi-beam or girder carrying FAS 541(CH 6) over Stream in Piatt County, Illinois. It was built in 1980, so it is 45 years old, younger 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.

It carries about 350 vehicles a day, roughly 2% of them trucks, projected to reach 354 by 2046. The structure is 57 ft (17.4 m) long and 30 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesFAS 541(CH 6)
CrossesStream
Location1 MI E Allerton Park
RouteCounty Highway 0
CountyPiatt County
StateIllinois
Coordinates40.00108, -88.61842
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.2 US tons
Inventory rating41.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length57 ft (17.4 m)
Longest span54 ft (16.5 m)
Deck width30 ft (9.1 m)
Roadway width30 ft (9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic350 (2020)
Projected traffic354 by 2046
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was FAS 541(CH 6) over Stream built?

It was built in 1980, making it 45 years old in 2025.

What condition is FAS 541(CH 6) over 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 February 2025.

How much traffic does FAS 541(CH 6) over Stream carry?

About 350 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is FAS 541(CH 6) over Stream?

The structure is 57 ft (17.4 m) long with a longest span of 54 ft (16.5 m) and a deck 30 ft wide.

Who owns FAS 541(CH 6) over Stream?

It is owned by the County Highway Agency.