US Bridges

Ill 9 over Squaw CR

Good

McLean County, Illinois · 0.25 MI E of FAI 55 · Structure no. 057200600000000

Built
1980
45 years old
Condition
Good
inspected June 2024
Type
Culvert
Concrete Continuous
Length
36 ft
3 main spans
Daily traffic
17,900
2023 count
Owner
State
State Highway Agency

About this bridge

Ill 9 over Squaw CR is a concrete continuous culvert carrying Ill 9 over Squaw CR in McLean County, Illinois. It was built in 1980, so it is 45 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 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 17,900 vehicles a day, roughly 14% of them trucks, projected to reach 16,160 by 2046. The structure is 36 ft (11.1 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesIll 9
CrossesSquaw CR
Location0.25 MI E of FAI 55
RouteU.S. Route 150
Coordinates40.48385, -89.02189
Functional classUrban Other Principal Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45.3 US tons
Inventory rating27.1 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length36 ft (11.1 m)
Longest span12 ft (3.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,900 (2023)
Projected traffic16,160 by 2046
Trucks14%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemYes

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 9 over Squaw CR built?

It was built in 1980, making it 45 years old in 2025.

What condition is Ill 9 over Squaw CR 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 June 2024.

How much traffic does Ill 9 over Squaw CR carry?

About 17,900 vehicles per day (2023 count), of which roughly 14% are trucks.

How long is Ill 9 over Squaw CR?

The structure is 36 ft (11.1 m) long with a longest span of 12 ft (3.6 m).

Who owns Ill 9 over Squaw CR?

It is owned by the State Highway Agency.