US Bridges

I 90 over E Fk Blue Earth River

Fair

Faribault County, Minnesota · 0.2 MI W of JCT TH 22 · Structure no. 91541

Built
1977
48 years old
Condition
Fair
inspected October 2023
Type
Culvert
Concrete
Length
52 ft
3 main spans
Daily traffic
7,508
2022 count
Owner
State
State Highway Agency

About this bridge

I 90 over E Fk Blue Earth River is a concrete culvert carrying I 90 over E Fk Blue Earth River in Faribault County, Minnesota. It was built in 1977, so it is 48 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 7,508 vehicles a day, roughly 36% of them trucks, projected to reach 9,800 by 2042. The structure is 52 ft (15.9 m) long. If it were closed, the detour would be 5 mi (8 km).

CarriesI 90
CrossesE Fk Blue Earth River
Location0.2 MI W of JCT TH 22
RouteInterstate 90
Coordinates43.65687, -93.73225
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 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 adequacy9: Superior 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 loadHS 20
Structure length52 ft (15.9 m)
Longest span14 ft (4.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,508 (2022)
Projected traffic9,800 by 2042
Trucks36%
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 E Fk Blue Earth River built?

It was built in 1977, making it 48 years old in 2025.

What condition is I 90 over E Fk Blue Earth River 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 90 over E Fk Blue Earth River carry?

About 7,508 vehicles per day (2022 count), of which roughly 36% are trucks.

How long is I 90 over E Fk Blue Earth River?

The structure is 52 ft (15.9 m) long with a longest span of 14 ft (4.4 m).

Who owns I 90 over E Fk Blue Earth River?

It is owned by the State Highway Agency.