US Bridges

Il 37 over Raccoon CR Trb North

Fair

Marion County, Illinois · .25 MI S ILL-161 · Structure no. 061002000000000

Built
1930
95 years old
Condition
Fair
inspected April 2024
Type
Slab
Concrete
Length
31 ft
1 main span
Daily traffic
4,500
2023 count
Owner
State
State Highway Agency

About this bridge

Il 37 over Raccoon CR Trb North is a concrete slab carrying Il 37 over Raccoon CR Trb North in Marion County, Illinois. It was built in 1930, so it is 95 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 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 4,500 vehicles a day, roughly 12% of them trucks, projected to reach 2,879 by 2046. The structure is 31 ft (9.4 m) long and 42 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesIl 37
CrossesRaccoon CR Trb North
Location.25 MI S ILL-161
RouteState Highway 37
CountyMarion County
StateIllinois
Coordinates38.5189, -88.9409
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 inspectionApril 2024
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.9 US tons
Inventory rating37.8 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length31 ft (9.4 m)
Longest span30 ft (9.1 m)
Deck width42 ft (12.8 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,500 (2023)
Projected traffic2,879 by 2046
Trucks12%
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

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 Il 37 over Raccoon CR Trb North built?

It was built in 1930, making it 95 years old in 2025.

What condition is Il 37 over Raccoon CR Trb North 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 April 2024.

How much traffic does Il 37 over Raccoon CR Trb North carry?

About 4,500 vehicles per day (2023 count), of which roughly 12% are trucks.

How long is Il 37 over Raccoon CR Trb North?

The structure is 31 ft (9.4 m) long with a longest span of 30 ft (9.1 m) and a deck 42 ft wide.

Who owns Il 37 over Raccoon CR Trb North?

It is owned by the State Highway Agency.