US Bridges

Csah 12 over TH 610

Fair

Hennepin County, Minnesota · 1.7 MI W of JCT TH 252 · Structure no. 27221

Built
1997
28 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
216 ft
2 main spans
Daily traffic
22,047
2022 count
Owner
State
State Highway Agency

About this bridge

Csah 12 over TH 610 is a prestressed concrete stringer/multi-beam or girder carrying Csah 12 over TH 610 in Hennepin County, Minnesota. It was built in 1997, so it is 28 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 6 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 22,047 vehicles a day, projected to reach 24,400 by 2042. The structure is 216 ft (65.9 m) long and 114 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesCsah 12
CrossesTH 610
Location1.7 MI W of JCT TH 252
RouteCounty Highway 12
Coordinates45.12413, -93.33591
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating83.3 US tons
Inventory rating59.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length216 ft (65.9 m)
Longest span106 ft (32.2 m)
Deck width114 ft (34.8 m)
Roadway width87 ft (26.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22,047 (2022)
Projected traffic24,400 by 2042
Trucks—
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed6.2 mi (10 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 Csah 12 over TH 610 built?

It was built in 1997, making it 28 years old in 2025.

What condition is Csah 12 over TH 610 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 July 2023.

How much traffic does Csah 12 over TH 610 carry?

About 22,047 vehicles per day (2022 count).

How long is Csah 12 over TH 610?

The structure is 216 ft (65.9 m) long with a longest span of 106 ft (32.2 m) and a deck 114 ft wide.

Who owns Csah 12 over TH 610?

It is owned by the State Highway Agency.