US Bridges

I 90 over Bancroft Creek

Good

Freeborn County, Minnesota · 2.6 MI W of JCT TH 35 · Structure no. 24818

Built
1968
57 years old
Condition
Good
inspected August 2023
Type
Culvert
Concrete
Length
33 ft
3 main spans
Daily traffic
12,600
2019 count
Owner
State
State Highway Agency

About this bridge

I 90 over Bancroft Creek is a concrete culvert carrying I 90 over Bancroft Creek in Freeborn County, Minnesota. It was built in 1968, so it is 57 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 12,600 vehicles a day, roughly 20% of them trucks, projected to reach 11,800 by 2039. The structure is 33 ft (10.1 m) long. If it were closed, the detour would be 6.8 mi (11 km).

CarriesI 90
CrossesBancroft Creek
Location2.6 MI W of JCT TH 35
RouteInterstate 90
Coordinates43.69009, -93.37184
Functional classUrban 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 inspectionAugust 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 spans3
Design loadH 20
Structure length33 ft (10.1 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,600 (2019)
Projected traffic11,800 by 2039
Trucks20%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 Bancroft Creek built?

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

What condition is I 90 over Bancroft Creek 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 August 2023.

How much traffic does I 90 over Bancroft Creek carry?

About 12,600 vehicles per day (2019 count), of which roughly 20% are trucks.

How long is I 90 over Bancroft Creek?

The structure is 33 ft (10.1 m) long with a longest span of 10 ft (3 m).

Who owns I 90 over Bancroft Creek?

It is owned by the State Highway Agency.