US Bridges

Spoon River Road over Spoon River

Good

Peoria County, Illinois · NE1/4-7-MILLBROOK · Structure no. 072310100000000

Built
1977
48 years old, rebuilt 2010
Condition
Good
inspected September 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
153 ft
3 main spans
Daily traffic
50
2022 count
Owner
County
County Highway Agency

About this bridge

Spoon River Road over Spoon River is a prestressed concrete box beam or girders - multiple carrying Spoon River Road over Spoon River in Peoria County, Illinois. It was built in 1977 and reconstructed in 2010, so it is 48 years old, older than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 50 vehicles a day, roughly 52% of them trucks, projected to reach 152 by 2046. The structure is 153 ft (46.6 m) long and 33 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesSpoon River Road
CrossesSpoon River
LocationNE1/4-7-MILLBROOK
RouteCounty Highway 0
Coordinates40.95678, -89.97558
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating59.3 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length153 ft (46.6 m)
Longest span56 ft (17 m)
Deck width33 ft (10.1 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2022)
Projected traffic152 by 2046
Trucks52%
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

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 Spoon River Road over Spoon River built?

It was built in 1977, making it 48 years old in 2025. It was reconstructed in 2010.

What condition is Spoon River Road over Spoon River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2024.

How much traffic does Spoon River Road over Spoon River carry?

About 50 vehicles per day (2022 count), of which roughly 52% are trucks.

How long is Spoon River Road over Spoon River?

The structure is 153 ft (46.6 m) long with a longest span of 56 ft (17 m) and a deck 33 ft wide.

Who owns Spoon River Road over Spoon River?

It is owned by the County Highway Agency.