US Bridges

I-70 over Stream

Good

Clark County, Illinois · 1.1 MI E Il 49 Int · Structure no. 012200600000000

Built
1968
57 years old
Condition
Good
inspected June 2024
Type
Culvert
Concrete
Length
29 ft
2 main spans
Daily traffic
22,800
2023 count
Owner
State
State Highway Agency

About this bridge

I-70 over Stream is a concrete culvert carrying I-70 over Stream in Clark County, Illinois. It was built in 1968, so it is 57 years old, older 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 22,800 vehicles a day, roughly 60% of them trucks, projected to reach 26,361 by 2046. The structure is 29 ft (8.7 m) long.

CarriesI-70
CrossesStream
Location1.1 MI E Il 49 Int
RouteInterstate 70
Coordinates39.32928, -87.96295
Functional classRural 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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating81.8 US tons
Inventory rating48.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20 + Mod
Structure length29 ft (8.7 m)
Longest span13 ft (4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22,800 (2023)
Projected traffic26,361 by 2046
Trucks60%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was I-70 over Stream built?

It was built in 1968, making it 57 years old in 2025.

What condition is I-70 over Stream 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 June 2024.

How much traffic does I-70 over Stream carry?

About 22,800 vehicles per day (2023 count), of which roughly 60% are trucks.

How long is I-70 over Stream?

The structure is 29 ft (8.7 m) long with a longest span of 13 ft (4 m).

Who owns I-70 over Stream?

It is owned by the State Highway Agency.