US Bridges

FAS 373 - Ch 4 over Spoon River

Fair

Stark County, Illinois · NW-33-T12NR6E · Structure no. 088320400000000

Built
1984
41 years old
Condition
Fair
inspected October 2022
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
162 ft
3 main spans
Daily traffic
100
2023 count
Owner
County
County Highway Agency

About this bridge

FAS 373 - Ch 4 over Spoon River is a prestressed concrete box beam or girders - multiple carrying FAS 373 - Ch 4 over Spoon River in Stark County, Illinois. It was built in 1984, so it is 41 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 100 vehicles a day, roughly 46% of them trucks, projected to reach 101 by 2046. The structure is 162 ft (49.4 m) long and 28 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesFAS 373 - Ch 4
CrossesSpoon River
LocationNW-33-T12NR6E
RouteCounty Highway 0
CountyStark County
StateIllinois
Coordinates40.98532, -89.82443
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.
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 inspectionOctober 2022
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 geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating59.3 US tons
Inventory rating35.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length162 ft (49.4 m)
Longest span60 ft (18.3 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2023)
Projected traffic101 by 2046
Trucks46%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 373 - Ch 4 over Spoon River built?

It was built in 1984, making it 41 years old in 2025.

What condition is FAS 373 - Ch 4 over Spoon River 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 2022.

How much traffic does FAS 373 - Ch 4 over Spoon River carry?

About 100 vehicles per day (2023 count), of which roughly 46% are trucks.

How long is FAS 373 - Ch 4 over Spoon River?

The structure is 162 ft (49.4 m) long with a longest span of 60 ft (18.3 m) and a deck 28 ft wide.

Who owns FAS 373 - Ch 4 over Spoon River?

It is owned by the County Highway Agency.