US Bridges

Csah 122 over Miss. River; Streets

Fair

Hennepin County, Minnesota · 0.6 MI E of JCT TH 35W · Structure no. 9360

Built
1965
60 years old, rebuilt 2000
Condition
Fair
inspected August 2023
Type
Girder and Floorbeam System
Steel Continuous
Length
1,131 ft
5 main spans
Daily traffic
6,800
2014 count
Owner
County
County Highway Agency

About this bridge

Csah 122 over Miss. River; Streets is a steel continuous girder and floorbeam system carrying Csah 122 over Miss. River; Streets in Hennepin County, Minnesota. It was built in 1965 and reconstructed in 2000, so it is 60 years old, older 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 6,800 vehicles a day, roughly 2% of them trucks, projected to reach 6,800 by 2034. The structure is 1,131 ft (344.7 m) long and 72 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesCsah 122
CrossesMiss. River; Streets
Location0.6 MI E of JCT TH 35W
RouteCounty Highway 122
CountyHennepin County
StateMinnesota
Coordinates44.97353, -93.23797
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating60 US tons
Inventory rating41.8 US tons

Structure

Structure typeGirder and Floorbeam System
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans5 (+1 approach)
Design loadHL 93
Structure length1,131 ft (344.7 m)
Longest span315 ft (96.1 m)
Deck width72 ft (21.9 m)
Roadway width58 ft (17.7 m)
Vertical clearance over deck17 ft (5.3 m)

Traffic and service

Average daily traffic6,800 (2014)
Projected traffic6,800 by 2034
Trucks2%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway and waterway
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 statusEligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was Csah 122 over Miss. River; Streets built?

It was built in 1965, making it 60 years old in 2025. It was reconstructed in 2000.

What condition is Csah 122 over Miss. River; Streets 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 August 2023.

How much traffic does Csah 122 over Miss. River; Streets carry?

About 6,800 vehicles per day (2014 count), of which roughly 2% are trucks.

How long is Csah 122 over Miss. River; Streets?

The structure is 1,131 ft (344.7 m) long with a longest span of 315 ft (96.1 m) and a deck 72 ft wide.

Who owns Csah 122 over Miss. River; Streets?

It is owned by the County Highway Agency.