US Bridges

FAS 642(CH 4) over Whitley Creek

Fair

Moultrie County, Illinois · 1.0 MI E of Ill 32 · Structure no. 070003000000000

Built
1967
58 years old
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
179 ft
3 main spans
Daily traffic
2,000
2023 count
Owner
State
State Highway Agency

About this bridge

FAS 642(CH 4) over Whitley Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying FAS 642(CH 4) over Whitley Creek in Moultrie County, Illinois. It was built in 1967, so it is 58 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.

It carries about 2,000 vehicles a day, roughly 10% of them trucks, projected to reach 2,048 by 2046. The structure is 179 ft (54.7 m) long and 34 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesFAS 642(CH 4)
CrossesWhitley Creek
Location1.0 MI E of Ill 32
RouteCounty Highway 0
CountyMoultrie County
StateIllinois
Coordinates39.52078, -88.58952
Functional classRural Minor Arterial

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 protection7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating76.1 US tons
Inventory rating47.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length179 ft (54.7 m)
Longest span58 ft (17.7 m)
Deck width34 ft (10.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,000 (2023)
Projected traffic2,048 by 2046
Trucks10%
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

OwnerState Highway Agency
Maintained byState 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 642(CH 4) over Whitley Creek built?

It was built in 1967, making it 58 years old in 2025.

What condition is FAS 642(CH 4) over Whitley Creek 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 December 2024.

How much traffic does FAS 642(CH 4) over Whitley Creek carry?

About 2,000 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is FAS 642(CH 4) over Whitley Creek?

The structure is 179 ft (54.7 m) long with a longest span of 58 ft (17.7 m) and a deck 34 ft wide.

Who owns FAS 642(CH 4) over Whitley Creek?

It is owned by the State Highway Agency.