US Bridges

I-70 WB over NSRR Trra Industrial Ave

Good

St. Clair County, Illinois · 1.4 MI N of I-55/64 · Structure no. 082031900000000

Built
2013
12 years old
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
1,299 ft
5 main spans
Daily traffic
16,900
2024 count
Owner
State
State Highway Agency

About this bridge

I-70 WB over NSRR Trra Industrial Ave is a steel continuous stringer/multi-beam or girder carrying I-70 WB over NSRR Trra Industrial Ave in St. Clair County, Illinois. It was built in 2013, so it is 12 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 16,900 vehicles a day, roughly 17% of them trucks, projected to reach 22,372 by 2046. The structure is 1,299 ft (396 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI-70 WB
CrossesNSRR Trra Industrial Ave
Location1.4 MI N of I-55/64
RouteInterstate 70
CountySt. Clair County
StateIllinois
Coordinates38.64871, -90.16127
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.3 US tons
Inventory rating49.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 25 or greater
Structure length1,299 ft (396 m)
Longest span286 ft (87.3 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,900 (2024)
Projected traffic22,372 by 2046
Trucks17%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and railroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 I-70 WB over NSRR Trra Industrial Ave built?

It was built in 2013, making it 12 years old in 2025.

What condition is I-70 WB over NSRR Trra Industrial Ave 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 May 2023.

How much traffic does I-70 WB over NSRR Trra Industrial Ave carry?

About 16,900 vehicles per day (2024 count), of which roughly 17% are trucks.

How long is I-70 WB over NSRR Trra Industrial Ave?

The structure is 1,299 ft (396 m) long with a longest span of 286 ft (87.3 m) and a deck 43 ft wide.

Who owns I-70 WB over NSRR Trra Industrial Ave?

It is owned by the State Highway Agency.