US Bridges

Ill 40 over Spoon River Trib.

Fair

Stark County, Illinois · 1.5 MI N of Bradford · Structure no. 088002700000000

Built
1993
32 years old
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
74 ft
1 main span
Daily traffic
1,050
2023 count
Owner
State
State Highway Agency

About this bridge

Ill 40 over Spoon River Trib. is a prestressed concrete stringer/multi-beam or girder carrying Ill 40 over Spoon River Trib. in Stark County, Illinois. It was built in 1993, so it is 32 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 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 1,050 vehicles a day, roughly 18% of them trucks, projected to reach 1,313 by 2046. The structure is 74 ft (22.6 m) long and 35 ft wide. If it were closed, the detour would be 21.1 mi (34 km).

Location

Open in Google Maps
CarriesIll 40
CrossesSpoon River Trib.
Location1.5 MI N of Bradford
RouteState Highway 40
CountyStark County
StateIllinois
Coordinates41.19001, -89.67703
Functional classRural Minor Arterial

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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.7 US tons
Inventory rating40.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length74 ft (22.6 m)
Longest span70 ft (21.3 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,050 (2023)
Projected traffic1,313 by 2046
Trucks18%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed21.1 mi (34 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 Ill 40 over Spoon River Trib. built?

It was built in 1993, making it 32 years old in 2025.

What condition is Ill 40 over Spoon River Trib. 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 February 2024.

How much traffic does Ill 40 over Spoon River Trib. carry?

About 1,050 vehicles per day (2023 count), of which roughly 18% are trucks.

How long is Ill 40 over Spoon River Trib.?

The structure is 74 ft (22.6 m) long with a longest span of 70 ft (21.3 m) and a deck 35 ft wide.

Who owns Ill 40 over Spoon River Trib.?

It is owned by the State Highway Agency.