US Bridges

Csah 121 over I 94

Good

Hennepin County, Minnesota · 2.8 MI NW of JCT TH 494 · Structure no. 27A98

Built
2006
19 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
308 ft
2 main spans
Daily traffic
18,800
2017 count
Owner
State
State Highway Agency

About this bridge

Csah 121 over I 94 is a prestressed concrete stringer/multi-beam or girder carrying Csah 121 over I 94 in Hennepin County, Minnesota. It was built in 2006, so it is 19 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 18,800 vehicles a day, projected to reach 18,800 by 2039. The structure is 308 ft (93.9 m) long and 126 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesCsah 121
CrossesI 94
Location2.8 MI NW of JCT TH 494
RouteCity Street 121
Coordinates45.12785, -93.48578
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 evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51.5 US tons
Inventory rating30.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length308 ft (93.9 m)
Longest span154 ft (46.8 m)
Deck width126 ft (38.5 m)
Roadway width94 ft (28.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,800 (2017)
Projected traffic18,800 by 2039
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 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 121 over I 94 built?

It was built in 2006, making it 19 years old in 2025.

What condition is Csah 121 over I 94 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 I 94 carry?

About 18,800 vehicles per day (2017 count).

How long is Csah 121 over I 94?

The structure is 308 ft (93.9 m) long with a longest span of 154 ft (46.8 m) and a deck 126 ft wide.

Who owns Csah 121 over I 94?

It is owned by the State Highway Agency.