US Bridges

TR-285 over Icg RR

FairPosted for load

Marion County, Illinois · 4.5 MI N Helm · Structure no. 061313200000000

Built
1909
116 years old
Condition
Fair
inspected February 2025
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
105 ft
7 main spans
Daily traffic
10
2022 count
Owner
Railroad
Railroad

About this bridge

TR-285 over Icg RR is a wood or timber stringer/multi-beam or girder carrying TR-285 over Icg RR in Marion County, Illinois. It was built in 1909, so it is 116 years old, older than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 10 vehicles a day, roughly 30% of them trucks, projected to reach 10 by 2046. The structure is 105 ft (32 m) long and 16 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesTR-285
CrossesIcg RR
Location4.5 MI N Helm
RouteCounty Highway 0
CountyMarion County
StateIllinois
Coordinates38.5804, -88.70303
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry8: Equal to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating19.3 US tons
Inventory rating13.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckWood or timber
Main spans7
Design loadUnknown
Structure length105 ft (32 m)
Longest span20 ft (6.1 m)
Deck width16 ft (4.9 m)
Roadway width16 ft (4.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2022)
Projected traffic10 by 2046
Trucks30%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesRailroad
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerRailroad
Maintained byRailroad
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$270,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was TR-285 over Icg RR built?

It was built in 1909, making it 116 years old in 2025.

What condition is TR-285 over Icg RR in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in February 2025.

How much traffic does TR-285 over Icg RR carry?

About 10 vehicles per day (2022 count), of which roughly 30% are trucks.

How long is TR-285 over Icg RR?

The structure is 105 ft (32 m) long with a longest span of 20 ft (6.1 m) and a deck 16 ft wide.

Who owns TR-285 over Icg RR?

It is owned by the Railroad.