US Bridges

FAS 335W/CH 10 over FAI 57

Fair

Iroquois County, Illinois · 6.45 M S Buckley Int · Structure no. 038007700000000

Built
1968
57 years old
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
255 ft
2 main spans
Daily traffic
1,350
2022 count
Owner
State
State Highway Agency

About this bridge

FAS 335W/CH 10 over FAI 57 is a steel continuous stringer/multi-beam or girder carrying FAS 335W/CH 10 over FAI 57 in Iroquois County, Illinois. It was built in 1968, so it is 57 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 6 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 1,350 vehicles a day, roughly 10% of them trucks, projected to reach 1,313 by 2046. The structure is 255 ft (77.7 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 335W/CH 10
CrossesFAI 57
Location6.45 M S Buckley Int
RouteCounty Highway 0
CountyIroquois County
StateIllinois
Coordinates40.51723, -88.08441
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55.7 US tons
Inventory rating33.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHS 20
Structure length255 ft (77.7 m)
Longest span90 ft (27.4 m)
Deck width34 ft (10.3 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,350 (2022)
Projected traffic1,313 by 2046
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was FAS 335W/CH 10 over FAI 57 built?

It was built in 1968, making it 57 years old in 2025.

What condition is FAS 335W/CH 10 over FAI 57 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 January 2024.

How much traffic does FAS 335W/CH 10 over FAI 57 carry?

About 1,350 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is FAS 335W/CH 10 over FAI 57?

The structure is 255 ft (77.7 m) long with a longest span of 90 ft (27.4 m) and a deck 34 ft wide.

Who owns FAS 335W/CH 10 over FAI 57?

It is owned by the State Highway Agency.