US Bridges

TR 42A over Middle Fork Verm Riv

PoorClosed to traffic

Vermilion County, Illinois · 0.2 MI S Armstrong · Structure no. 092011100000000

Built
1910
115 years old, rebuilt 1970
Condition
Poor
inspected February 2022
Type
Truss - Thru
Steel
Length
153 ft
1 main span
Daily traffic
10
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 42A over Middle Fork Verm Riv is a steel truss - thru carrying TR 42A over Middle Fork Verm Riv in Vermilion County, Illinois. It was built in 1910 and reconstructed in 1970, so it is 115 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. Its operating status is: closed to all traffic.

It carries about 10 vehicles a day, roughly 20% of them trucks, projected to reach 101 by 2046. The structure is 153 ft (46.7 m) long and 19 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesTR 42A
CrossesMiddle Fork Verm Riv
Location0.2 MI S Armstrong
RouteCounty Highway 0
Coordinates40.29898, -87.87743
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2022
Inspection intervalevery 24 months
Operating statusClosed to all traffic
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation0: Immediate repair necessary to put back in service
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating0 US tons
Inventory rating0 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckWood or timber
Main spans1
Design loadUnknown
Structure length153 ft (46.7 m)
Longest span150 ft (45.8 m)
Deck width19 ft (5.8 m)
Roadway width15 ft (4.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2023)
Projected traffic101 by 2046
Trucks20%
Lanes on structure1
Traffic directionOne-lane bridge for two-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 statusEligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$384,000
NavigationNo navigation control on waterway

Frequently asked questions

When was TR 42A over Middle Fork Verm Riv built?

It was built in 1910, making it 115 years old in 2025. It was reconstructed in 1970.

What condition is TR 42A over Middle Fork Verm Riv 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 2022.

How much traffic does TR 42A over Middle Fork Verm Riv carry?

About 10 vehicles per day (2023 count), of which roughly 20% are trucks.

How long is TR 42A over Middle Fork Verm Riv?

The structure is 153 ft (46.7 m) long with a longest span of 150 ft (45.8 m) and a deck 19 ft wide.

Who owns TR 42A over Middle Fork Verm Riv?

It is owned by the Town or Township Highway Agency.