US Bridges

Ill 6 over Stream

Poor

Peoria County, Illinois · 0.5 MI W of Ill 40 · Structure no. 072201200000000

Built
1982
43 years old
Condition
Poor
inspected November 2024
Type
Culvert
Steel
Length
21 ft
2 main spans
Daily traffic
15,500
2023 count
Owner
State
State Highway Agency

About this bridge

Ill 6 over Stream is a steel culvert carrying Ill 6 over Stream in Peoria County, Illinois. It was built in 1982, so it is 43 years old, younger than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 15,500 vehicles a day, roughly 7% of them trucks, projected to reach 7,474 by 2046. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesIll 6
CrossesStream
Location0.5 MI W of Ill 40
RouteState Highway 6
CountyPeoria County
StateIllinois
Coordinates40.80321, -89.62215
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionNovember 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98.2 US tons
Inventory rating98.2 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadHS 20
Structure length21 ft (6.4 m)
Longest span9 ft (2.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,500 (2023)
Projected traffic7,474 by 2046
Trucks7%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$450,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Ill 6 over Stream built?

It was built in 1982, making it 43 years old in 2025.

What condition is Ill 6 over Stream in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in November 2024.

How much traffic does Ill 6 over Stream carry?

About 15,500 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is Ill 6 over Stream?

The structure is 21 ft (6.4 m) long with a longest span of 9 ft (2.7 m).

Who owns Ill 6 over Stream?

It is owned by the State Highway Agency.