US Bridges

TR 620 a over Stream

PoorPosted for load

Wayne County, Illinois · 3 MI NE Mt Erie · Structure no. 096345300000000

Built
2009
16 years old
Condition
Poor
inspected February 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
33 ft
1 main span
Daily traffic
10
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 620 a over Stream is a prestressed concrete box beam or girders - multiple carrying TR 620 a over Stream in Wayne County, Illinois. It was built in 2009, so it is 16 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 2 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. Its operating status is: posted for load restriction.

It carries about 10 vehicles a day, roughly 20% of them trucks, projected to reach 10 by 2046. The structure is 33 ft (10 m) long and 21 ft wide.

CarriesTR 620 a
CrossesStream
Location3 MI NE Mt Erie
RouteCounty Highway 0
Coordinates38.53582, -88.18462
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
Deck2 CriticalAdvanced deterioration of primary structural elements. Bridge may be closed until corrective action is taken.
Superstructure2 CriticalAdvanced deterioration of primary structural elements. Bridge may be closed until corrective action is taken.
Substructure2 CriticalAdvanced deterioration of primary structural elements. Bridge may be closed until corrective action is taken.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating5.4 US tons
Inventory rating3.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadUnknown
Structure length33 ft (10 m)
Longest span33 ft (10 m)
Deck width21 ft (6.4 m)
Roadway width21 ft (6.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2022)
Projected traffic10 by 2046
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 620 a over Stream built?

It was built in 2009, making it 16 years old in 2025.

What condition is TR 620 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 2024.

How much traffic does TR 620 a over Stream carry?

About 10 vehicles per day (2022 count), of which roughly 20% are trucks.

How long is TR 620 a over Stream?

The structure is 33 ft (10 m) long with a longest span of 33 ft (10 m) and a deck 21 ft wide.

Who owns TR 620 a over Stream?

It is owned by the Town or Township Highway Agency.