US Bridges

Il. Rt. 9 over Inter. Stream

Good

McLean County, Illinois · 1.52 Mi. E. of IL122 · Structure no. 057202700000000

Built
2004
21 years old
Condition
Good
inspected March 2024
Type
Culvert
Concrete Continuous
Length
38 ft
3 main spans
Daily traffic
3,600
2023 count
Owner
State
State Highway Agency

About this bridge

Il. Rt. 9 over Inter. Stream is a concrete continuous culvert carrying Il. Rt. 9 over Inter. Stream in McLean County, Illinois. It was built in 2004, so it is 21 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 3,600 vehicles a day, roughly 8% of them trucks, projected to reach 3,586 by 2046. The structure is 38 ft (11.5 m) long. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesIl. Rt. 9
CrossesInter. Stream
Location1.52 Mi. E. of IL122
RouteState Highway 9
CountyMcLean County
StateIllinois
Coordinates40.48713, -89.14477
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
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98.2 US tons
Inventory rating66 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length38 ft (11.5 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,600 (2023)
Projected traffic3,586 by 2046
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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. Rt. 9 over Inter. Stream built?

It was built in 2004, making it 21 years old in 2025.

What condition is Il. Rt. 9 over Inter. Stream 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 March 2024.

How much traffic does Il. Rt. 9 over Inter. Stream carry?

About 3,600 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is Il. Rt. 9 over Inter. Stream?

The structure is 38 ft (11.5 m) long with a longest span of 12 ft (3.7 m).

Who owns Il. Rt. 9 over Inter. Stream?

It is owned by the State Highway Agency.