US Bridges

Ill 6 over Stream

Fair

Peoria County, Illinois · NE-2-T9NR7E · Structure no. 072201400000000

Built
1982
43 years old
Condition
Fair
inspected November 2024
Type
Culvert
Concrete
Length
24 ft
3 main spans
Daily traffic
21,100
2023 count
Owner
State
State Highway Agency

About this bridge

Ill 6 over Stream is a concrete 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 fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 21,100 vehicles a day, roughly 8% of them trucks, projected to reach 19,998 by 2046. The structure is 24 ft (7.3 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesIll 6
CrossesStream
LocationNE-2-T9NR7E
RouteState Highway 6
Coordinates40.79428, -89.66027
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length24 ft (7.3 m)
Longest span6 ft (1.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21,100 (2023)
Projected traffic19,998 by 2046
Trucks8%
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 proposedNone recorded
Estimated improvement cost—
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 fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in November 2024.

How much traffic does Ill 6 over Stream carry?

About 21,100 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is Ill 6 over Stream?

The structure is 24 ft (7.3 m) long with a longest span of 6 ft (1.7 m).

Who owns Ill 6 over Stream?

It is owned by the State Highway Agency.