US Bridges

I 90 over Elk Creek

Fair

Rock County, Minnesota · 5.0 MI E of JCT TH75 · Structure no. 91077

Built
1964
61 years old
Condition
Fair
inspected May 2023
Type
Culvert
Concrete
Length
40 ft
3 main spans
Daily traffic
11,392
2022 count
Owner
State
State Highway Agency

About this bridge

I 90 over Elk Creek is a concrete culvert carrying I 90 over Elk Creek 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 fair condition with a lowest component rating of 5 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 11,392 vehicles a day, roughly 15% of them trucks, projected to reach 9,800 by 2042. The structure is 40 ft (12.2 m) long. If it were closed, the detour would be 8.7 mi (14 km).

Location

Open in Google Maps
CarriesI 90
CrossesElk Creek
Location5.0 MI E of JCT TH75
RouteInterstate 90
CountyRock County
StateMinnesota
Coordinates43.63771, -96.11467
Functional classRural 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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 spans3
Design loadH 20
Structure length40 ft (12.2 m)
Longest span15 ft (4.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,392 (2022)
Projected traffic9,800 by 2042
Trucks15%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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 Elk Creek built?

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

What condition is I 90 over Elk Creek 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 May 2023.

How much traffic does I 90 over Elk Creek carry?

About 11,392 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is I 90 over Elk Creek?

The structure is 40 ft (12.2 m) long with a longest span of 15 ft (4.6 m).

Who owns I 90 over Elk Creek?

It is owned by the State Highway Agency.