US Bridges

Sbi 142 (ILL-37) over Crooked Creek

Good

Marion County, Illinois · 1.5MI S Salem · Structure no. 061008900000000

Built
1998
27 years old
Condition
Good
inspected April 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
161 ft
3 main spans
Daily traffic
4,800
2023 count
Owner
State
State Highway Agency

About this bridge

Sbi 142 (ILL-37) over Crooked Creek is a prestressed concrete stringer/multi-beam or girder carrying Sbi 142 (ILL-37) over Crooked Creek in Marion County, Illinois. It was built in 1998, so it is 27 years old, younger 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 4,800 vehicles a day, roughly 14% of them trucks, projected to reach 4,343 by 2046. The structure is 161 ft (49.1 m) long and 39 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesSbi 142 (ILL-37)
CrossesCrooked Creek
Location1.5MI S Salem
RouteState Highway 37
Coordinates38.58987, -88.94012
Functional classRural Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
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 rating87.5 US tons
Inventory rating42.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length161 ft (49.1 m)
Longest span76 ft (23.1 m)
Deck width39 ft (11.8 m)
Roadway width35 ft (10.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,800 (2023)
Projected traffic4,343 by 2046
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 Sbi 142 (ILL-37) over Crooked Creek built?

It was built in 1998, making it 27 years old in 2025.

What condition is Sbi 142 (ILL-37) over Crooked Creek 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 April 2024.

How much traffic does Sbi 142 (ILL-37) over Crooked Creek carry?

About 4,800 vehicles per day (2023 count), of which roughly 14% are trucks.

How long is Sbi 142 (ILL-37) over Crooked Creek?

The structure is 161 ft (49.1 m) long with a longest span of 76 ft (23.1 m) and a deck 39 ft wide.

Who owns Sbi 142 (ILL-37) over Crooked Creek?

It is owned by the State Highway Agency.