US Bridges

Mn 65 over BNSF Rr; Csah 30

Fair

Isanti County, Minnesota · 1.3 MI N of JCT TH 95 · Structure no. 30006

Built
1992
33 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
357 ft
4 main spans
Daily traffic
4,900
2018 count
Owner
State
State Highway Agency

About this bridge

Mn 65 over BNSF Rr; Csah 30 is a prestressed concrete stringer/multi-beam or girder carrying Mn 65 over BNSF Rr; Csah 30 in Isanti County, Minnesota. It was built in 1992, so it is 33 years old, younger 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 4,900 vehicles a day, roughly 4% of them trucks, projected to reach 4,450 by 2038. The structure is 357 ft (108.8 m) long and 44 ft wide. If it were closed, the detour would be 18 mi (29 km).

Location

Open in Google Maps
CarriesMn 65
CrossesBNSF Rr; Csah 30
Location1.3 MI N of JCT TH 95
RouteState Highway 65
CountyIsanti County
StateMinnesota
Coordinates45.58544, -93.21558
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating73.1 US tons
Inventory rating43.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 25 or greater
Structure length357 ft (108.8 m)
Longest span114 ft (34.7 m)
Deck width44 ft (13.4 m)
Roadway width41 ft (12.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,900 (2018)
Projected traffic4,450 by 2038
Trucks4%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and railroad
Detour if closed18 mi (29 km)
TollOn a free road
National Highway SystemNo

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Mn 65 over BNSF Rr; Csah 30 built?

It was built in 1992, making it 33 years old in 2025.

What condition is Mn 65 over BNSF Rr; Csah 30 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 April 2024.

How much traffic does Mn 65 over BNSF Rr; Csah 30 carry?

About 4,900 vehicles per day (2018 count), of which roughly 4% are trucks.

How long is Mn 65 over BNSF Rr; Csah 30?

The structure is 357 ft (108.8 m) long with a longest span of 114 ft (34.7 m) and a deck 44 ft wide.

Who owns Mn 65 over BNSF Rr; Csah 30?

It is owned by the State Highway Agency.