US Bridges

TR 170 over Stream

Poor

Champaign County, Illinois · 0.6 MI W Leverett · Structure no. 010424500000000

Built
1986
39 years old
Condition
Poor
inspected March 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
73 ft
3 main spans
Daily traffic
250
2021 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 170 over Stream is a prestressed concrete box beam or girders - multiple carrying TR 170 over Stream in Champaign County, Illinois. It was built in 1986, so it is 39 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 250 vehicles a day, roughly 3% of them trucks, projected to reach 253 by 2046. The structure is 73 ft (22.3 m) long and 27 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesTR 170
CrossesStream
Location0.6 MI W Leverett
RouteCounty Highway 0
Coordinates40.18791, -88.22052
Functional classRural Local

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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 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
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating48.9 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length73 ft (22.3 m)
Longest span30 ft (9.1 m)
Deck width27 ft (8.2 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic250 (2021)
Projected traffic253 by 2046
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 TR 170 over Stream built?

It was built in 1986, making it 39 years old in 2025.

What condition is TR 170 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 March 2024.

How much traffic does TR 170 over Stream carry?

About 250 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is TR 170 over Stream?

The structure is 73 ft (22.3 m) long with a longest span of 30 ft (9.1 m) and a deck 27 ft wide.

Who owns TR 170 over Stream?

It is owned by the Town or Township Highway Agency.