US Bridges

TR 198 over I-70

Fair

Clark County, Illinois · 4.5 MI W Il 1 · Structure no. 012004300000000

Built
1969
56 years old, rebuilt 2003
Condition
Fair
inspected February 2025
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
225 ft
4 main spans
Daily traffic
125
2021 count
Owner
State
State Highway Agency

About this bridge

TR 198 over I-70 is a steel continuous stringer/multi-beam or girder carrying TR 198 over I-70 in Clark County, Illinois. It was built in 1969 and reconstructed in 2003, so it is 56 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 125 vehicles a day, roughly 5% of them trucks, projected to reach 126 by 2046. The structure is 225 ft (68.7 m) long and 30 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesTR 198
CrossesI-70
Location4.5 MI W Il 1
RouteCounty Highway 0
CountyClark County
StateIllinois
Coordinates39.39978, -87.77124
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55 US tons
Inventory rating32.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 15
Structure length225 ft (68.7 m)
Longest span70 ft (21.4 m)
Deck width30 ft (9.1 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic125 (2021)
Projected traffic126 by 2046
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was TR 198 over I-70 built?

It was built in 1969, making it 56 years old in 2025. It was reconstructed in 2003.

What condition is TR 198 over I-70 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 198 over I-70 carry?

About 125 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is TR 198 over I-70?

The structure is 225 ft (68.7 m) long with a longest span of 70 ft (21.4 m) and a deck 30 ft wide.

Who owns TR 198 over I-70?

It is owned by the State Highway Agency.