US Bridges

Mn 97 over I 35

Good

Anoka County, Minnesota · 2.3 MI S of JCT Csah 2 · Structure no. 02818

Built
2018
7 years old
Condition
Good
inspected May 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
178 ft
2 main spans
Daily traffic
19,200
2017 count
Owner
State
State Highway Agency

About this bridge

Mn 97 over I 35 is a prestressed concrete stringer/multi-beam or girder carrying Mn 97 over I 35 in Anoka County, Minnesota. It was built in 2018, so it is 7 years old, younger 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 19,200 vehicles a day, roughly 4% of them trucks, projected to reach 19,200 by 2039. The structure is 178 ft (54.4 m) long and 89 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesMn 97
CrossesI 35
Location2.3 MI S of JCT Csah 2
RouteState Highway 97
Coordinates45.25047, -93.02455
Functional classRural Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating85.8 US tons
Inventory rating45 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length178 ft (54.4 m)
Longest span87 ft (26.6 m)
Deck width89 ft (27.1 m)
Roadway width68 ft (20.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,200 (2017)
Projected traffic19,200 by 2039
Trucks4%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Mn 97 over I 35 built?

It was built in 2018, making it 7 years old in 2025.

What condition is Mn 97 over I 35 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 2024.

How much traffic does Mn 97 over I 35 carry?

About 19,200 vehicles per day (2017 count), of which roughly 4% are trucks.

How long is Mn 97 over I 35?

The structure is 178 ft (54.4 m) long with a longest span of 87 ft (26.6 m) and a deck 89 ft wide.

Who owns Mn 97 over I 35?

It is owned by the State Highway Agency.