US Bridges

Argo Fay Road over Johnson Creek

Fair

Carroll County, Illinois · 1.9 MI E of Ill 84 · Structure no. 008003400000000

Built
1987
38 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
185 ft
3 main spans
Daily traffic
2,350
2023 count
Owner
State
State Highway Agency

About this bridge

Argo Fay Road over Johnson Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying Argo Fay Road over Johnson Creek in Carroll County, Illinois. It was built in 1987, so it is 38 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 2,350 vehicles a day, roughly 12% of them trucks, projected to reach 2,374 by 2046. The structure is 185 ft (56.5 m) long and 35 ft wide. If it were closed, the detour would be 24.9 mi (40 km).

Location

Open in Google Maps
CarriesArgo Fay Road
CrossesJohnson Creek
Location1.9 MI E of Ill 84
RouteCounty Highway 0
CountyCarroll County
StateIllinois
Coordinates41.95959, -90.06326
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating82.5 US tons
Inventory rating40.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length185 ft (56.5 m)
Longest span61 ft (18.7 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,350 (2023)
Projected traffic2,374 by 2046
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.9 mi (40 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 Argo Fay Road over Johnson Creek built?

It was built in 1987, making it 38 years old in 2025.

What condition is Argo Fay Road over Johnson 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 April 2023.

How much traffic does Argo Fay Road over Johnson Creek carry?

About 2,350 vehicles per day (2023 count), of which roughly 12% are trucks.

How long is Argo Fay Road over Johnson Creek?

The structure is 185 ft (56.5 m) long with a longest span of 61 ft (18.7 m) and a deck 35 ft wide.

Who owns Argo Fay Road over Johnson Creek?

It is owned by the State Highway Agency.