US Bridges

Ch 8 over Spoon River

Fair

Stark County, Illinois · NW-10-T14NR6E · Structure no. 088310800000000

Built
1955
70 years old
Condition
Fair
inspected October 2022
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
100 ft
2 main spans
Daily traffic
100
2023 count
Owner
County
County Highway Agency

About this bridge

Ch 8 over Spoon River is a steel continuous stringer/multi-beam or girder carrying Ch 8 over Spoon River in Stark County, Illinois. It was built in 1955, so it is 70 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 100 vehicles a day, roughly 15% of them trucks, projected to reach 177 by 2046. The structure is 100 ft (30.5 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCh 8
CrossesSpoon River
LocationNW-10-T14NR6E
RouteCounty Highway 0
CountyStark County
StateIllinois
Coordinates41.22134, -89.80614
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 15
Structure length100 ft (30.5 m)
Longest span48 ft (14.6 m)
Deck width28 ft (8.5 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2023)
Projected traffic177 by 2046
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Ch 8 over Spoon River built?

It was built in 1955, making it 70 years old in 2025.

What condition is Ch 8 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 Ch 8 over Spoon River carry?

About 100 vehicles per day (2023 count), of which roughly 15% are trucks.

How long is Ch 8 over Spoon River?

The structure is 100 ft (30.5 m) long with a longest span of 48 ft (14.6 m) and a deck 28 ft wide.

Who owns Ch 8 over Spoon River?

It is owned by the County Highway Agency.