US Bridges

I 90 over Stream

Good

Rock County, Minnesota · 7.6 MI E of JCT TH75 · Structure no. 91073

Built
1964
61 years old
Condition
Good
inspected May 2023
Type
Culvert
Concrete
Length
26 ft
2 main spans
Daily traffic
9,344
2022 count
Owner
State
State Highway Agency

About this bridge

I 90 over Stream is a concrete culvert carrying I 90 over Stream in Rock County, Minnesota. It was built in 1964, so it is 61 years old, older than the Minnesota average of 38.5 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 9,344 vehicles a day, roughly 26% of them trucks, projected to reach 11,200 by 2042. The structure is 26 ft (7.8 m) long. If it were closed, the detour would be 5 mi (8 km).

CarriesI 90
CrossesStream
Location7.6 MI E of JCT TH75
RouteInterstate 90
Coordinates43.63759, -96.06059
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 inspectionMay 2023
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 rating43.2 US tons
Inventory rating32.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length26 ft (7.8 m)
Longest span12 ft (3.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,344 (2022)
Projected traffic11,200 by 2042
Trucks26%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 90 over Stream built?

It was built in 1964, making it 61 years old in 2025.

What condition is I 90 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 May 2023.

How much traffic does I 90 over Stream carry?

About 9,344 vehicles per day (2022 count), of which roughly 26% are trucks.

How long is I 90 over Stream?

The structure is 26 ft (7.8 m) long with a longest span of 12 ft (3.6 m).

Who owns I 90 over Stream?

It is owned by the State Highway Agency.