US Bridges

Csah 66 over BNSF RR

Good

Hennepin County, Minnesota · 0.8 MI W of JCT Csah 2 · Structure no. 27591

Built
2001
24 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
200 ft
3 main spans
Daily traffic
9,000
2019 count
Owner
County
County Highway Agency

About this bridge

Csah 66 over BNSF RR is a prestressed concrete stringer/multi-beam or girder carrying Csah 66 over BNSF RR in Hennepin County, Minnesota. It was built in 2001, so it is 24 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 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 9,000 vehicles a day, projected to reach 9,800 by 2039. The structure is 200 ft (61 m) long and 62 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCsah 66
CrossesBNSF RR
Location0.8 MI W of JCT Csah 2
RouteCounty Highway 66
Coordinates45.00051, -93.32407
Functional classUrban 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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating69.8 US tons
Inventory rating41.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length200 ft (61 m)
Longest span65 ft (19.8 m)
Deck width62 ft (19 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,000 (2019)
Projected traffic9,800 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Csah 66 over BNSF RR built?

It was built in 2001, making it 24 years old in 2025.

What condition is Csah 66 over BNSF RR 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 October 2023.

How much traffic does Csah 66 over BNSF RR carry?

About 9,000 vehicles per day (2019 count).

How long is Csah 66 over BNSF RR?

The structure is 200 ft (61 m) long with a longest span of 65 ft (19.8 m) and a deck 62 ft wide.

Who owns Csah 66 over BNSF RR?

It is owned by the County Highway Agency.