US Bridges

I 74 over Stream

Fair

Henry County, Illinois · 0.9 MI E Rock Is. CO · Structure no. 037201100000000

Built
1962
63 years old
Condition
Fair
inspected October 2023
Type
Culvert
Concrete
Length
22 ft
2 main spans
Daily traffic
15,000
2023 count
Owner
State
State Highway Agency

About this bridge

I 74 over Stream is a concrete culvert carrying I 74 over Stream in Henry County, Illinois. It was built in 1962, so it is 63 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 15,000 vehicles a day, roughly 33% of them trucks, projected to reach 17,604 by 2046. The structure is 22 ft (6.6 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI 74
CrossesStream
Location0.9 MI E Rock Is. CO
RouteInterstate 74
CountyHenry County
StateIllinois
Coordinates41.45688, -90.4097
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating101.4 US tons
Inventory rating60.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20 + Mod
Structure length22 ft (6.6 m)
Longest span10 ft (3.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,000 (2023)
Projected traffic17,604 by 2046
Trucks33%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was I 74 over Stream built?

It was built in 1962, making it 63 years old in 2025.

What condition is I 74 over Stream 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 October 2023.

How much traffic does I 74 over Stream carry?

About 15,000 vehicles per day (2023 count), of which roughly 33% are trucks.

How long is I 74 over Stream?

The structure is 22 ft (6.6 m) long with a longest span of 10 ft (3.2 m).

Who owns I 74 over Stream?

It is owned by the State Highway Agency.