US Bridges

TR 335A over Icg RR

Good

Marion County, Illinois · 2.25 MI N Helm · Structure no. 061327500000000

Built
1998
27 years old
Condition
Good
inspected January 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
150 ft
3 main spans
Daily traffic
50
2022 count
Owner
Railroad
Railroad

About this bridge

TR 335A over Icg RR is a prestressed concrete stringer/multi-beam or girder carrying TR 335A over Icg RR in Marion County, Illinois. It was built in 1998, so it is 27 years old, younger than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 50 vehicles a day, roughly 16% of them trucks, projected to reach 51 by 2046. The structure is 150 ft (45.8 m) long and 24 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesTR 335A
CrossesIcg RR
Location2.25 MI N Helm
RouteCounty Highway 0
Coordinates38.54768, -88.70627
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionJanuary 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length150 ft (45.8 m)
Longest span54 ft (16.5 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2022)
Projected traffic51 by 2046
Trucks16%
Lanes on structure2
Traffic directionTwo-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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was TR 335A over Icg RR built?

It was built in 1998, making it 27 years old in 2025.

What condition is TR 335A over Icg RR in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in January 2023.

How much traffic does TR 335A over Icg RR carry?

About 50 vehicles per day (2022 count), of which roughly 16% are trucks.

How long is TR 335A over Icg RR?

The structure is 150 ft (45.8 m) long with a longest span of 54 ft (16.5 m) and a deck 24 ft wide.

Who owns TR 335A over Icg RR?

It is owned by the Railroad.