US Bridges

TR 42 a over Stream

Poor

Vermilion County, Illinois · 1 MI SE Armstrong · Structure no. 092011300000000

Built
1943
82 years old
Condition
Poor
inspected February 2023
Type
Tee Beam
Concrete
Length
41 ft
1 main span
Daily traffic
35
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 42 a over Stream is a concrete tee beam carrying TR 42 a over Stream in Vermilion County, Illinois. It was built in 1943, so it is 82 years old, older 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 35 vehicles a day, projected to reach 101 by 2046. The structure is 41 ft (12.4 m) long and 31 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesTR 42 a
CrossesStream
Location1 MI SE Armstrong
RouteCounty Highway 0
Coordinates40.29278, -87.86557
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating38.9 US tons
Inventory rating23.6 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length41 ft (12.4 m)
Longest span39 ft (12 m)
Deck width31 ft (9.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35 (2023)
Projected traffic101 by 2046
Trucks0%
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 42 a over Stream built?

It was built in 1943, making it 82 years old in 2025.

What condition is TR 42 a 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 February 2023.

How much traffic does TR 42 a over Stream carry?

About 35 vehicles per day (2023 count).

How long is TR 42 a over Stream?

The structure is 41 ft (12.4 m) long with a longest span of 39 ft (12 m) and a deck 31 ft wide.

Who owns TR 42 a over Stream?

It is owned by the Town or Township Highway Agency.