US Bridges

Illinois 1 over Cane Creek

Good

Gallatin County, Illinois · 1 Mi. South of Omaha · Structure no. 030001800000000

Built
1978
47 years old, rebuilt 2009
Condition
Good
inspected July 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
161 ft
3 main spans
Daily traffic
1,400
2023 count
Owner
State
State Highway Agency

About this bridge

Illinois 1 over Cane Creek is a prestressed concrete box beam or girders - multiple carrying Illinois 1 over Cane Creek in Gallatin County, Illinois. It was built in 1978 and reconstructed in 2009, so it is 47 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 1,400 vehicles a day, roughly 29% of them trucks, projected to reach 1,212 by 2046. The structure is 161 ft (49.1 m) long and 33 ft wide. If it were closed, the detour would be 21.7 mi (35 km).

Location

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CarriesIllinois 1
CrossesCane Creek
Location1 Mi. South of Omaha
RouteState Highway 1
CountyGallatin County
StateIllinois
Coordinates37.88289, -88.2985
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.2 US tons
Inventory rating45 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length161 ft (49.1 m)
Longest span53 ft (16.1 m)
Deck width33 ft (10.1 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,400 (2023)
Projected traffic1,212 by 2046
Trucks29%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed21.7 mi (35 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 Illinois 1 over Cane Creek built?

It was built in 1978, making it 47 years old in 2025. It was reconstructed in 2009.

What condition is Illinois 1 over Cane 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 July 2023.

How much traffic does Illinois 1 over Cane Creek carry?

About 1,400 vehicles per day (2023 count), of which roughly 29% are trucks.

How long is Illinois 1 over Cane Creek?

The structure is 161 ft (49.1 m) long with a longest span of 53 ft (16.1 m) and a deck 33 ft wide.

Who owns Illinois 1 over Cane Creek?

It is owned by the State Highway Agency.