US Bridges

TR 33 a over Trib Embarras River

PoorPosted for load

Cumberland County, Illinois · 1.5 MI SW of Diona · Structure no. 018303900000000

Built
1970
55 years old
Condition
Poor
inspected February 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
32 ft
1 main span
Daily traffic
25
2021 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 33 a over Trib Embarras River is a steel stringer/multi-beam or girder carrying TR 33 a over Trib Embarras River in Cumberland County, Illinois. It was built in 1970, so it is 55 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 3 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 25 vehicles a day, roughly 8% of them trucks, projected to reach 26 by 2046. The structure is 32 ft (9.8 m) long and 14 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesTR 33 a
CrossesTrib Embarras River
Location1.5 MI SW of Diona
RouteCounty Highway 0
Coordinates39.36113, -88.14871
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
Deck7 GoodSome minor problems.
Superstructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating14.7 US tons
Inventory rating8.6 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans1
Design loadUnknown
Structure length32 ft (9.8 m)
Longest span31 ft (9.4 m)
Deck width14 ft (4.3 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2021)
Projected traffic26 by 2046
Trucks8%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$166,000
NavigationNo navigation control on waterway

Frequently asked questions

When was TR 33 a over Trib Embarras River built?

It was built in 1970, making it 55 years old in 2025.

What condition is TR 33 a over Trib Embarras River 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 2025.

How much traffic does TR 33 a over Trib Embarras River carry?

About 25 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is TR 33 a over Trib Embarras River?

The structure is 32 ft (9.8 m) long with a longest span of 31 ft (9.4 m) and a deck 14 ft wide.

Who owns TR 33 a over Trib Embarras River?

It is owned by the Town or Township Highway Agency.