US Bridges

Csah 121 over TH 610

Good

Hennepin County, Minnesota · 1.0 MI E of JCT TH 94;610 · Structure no. 27230

Built
2017
8 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
178 ft
2 main spans
Daily traffic
5,900
2010 count
Owner
State
State Highway Agency

About this bridge

Csah 121 over TH 610 is a prestressed concrete stringer/multi-beam or girder carrying Csah 121 over TH 610 in Hennepin County, Minnesota. It was built in 2017, so it is 8 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 5,900 vehicles a day, projected to reach 5,900 by 2036. The structure is 178 ft (54.4 m) long and 113 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesCsah 121
CrossesTH 610
Location1.0 MI E of JCT TH 94;610
RouteCounty Highway 121
Coordinates45.1376, -93.47237
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.4 US tons
Inventory rating45.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length178 ft (54.4 m)
Longest span104 ft (31.7 m)
Deck width113 ft (34.5 m)
Roadway width86 ft (26.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,900 (2010)
Projected traffic5,900 by 2036
Trucks—
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 Csah 121 over TH 610 built?

It was built in 2017, making it 8 years old in 2025.

What condition is Csah 121 over TH 610 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 2024.

How much traffic does Csah 121 over TH 610 carry?

About 5,900 vehicles per day (2010 count).

How long is Csah 121 over TH 610?

The structure is 178 ft (54.4 m) long with a longest span of 104 ft (31.7 m) and a deck 113 ft wide.

Who owns Csah 121 over TH 610?

It is owned by the State Highway Agency.