US Bridges

Mn 5 over Miss River; City ST

Fair

Ramsey County, Minnesota · 2.1 MI SW of JCT TH 51 · Structure no. 9300

Built
1961
64 years old, rebuilt 2016
Condition
Fair
inspected October 2024
Type
Girder and Floorbeam System
Steel Continuous
Length
1,195 ft
7 main spans
Daily traffic
47,520
2022 count
Owner
State
State Highway Agency

About this bridge

Mn 5 over Miss River; City ST is a steel continuous girder and floorbeam system carrying Mn 5 over Miss River; City ST in Ramsey County, Minnesota. It was built in 1961 and reconstructed in 2016, so it is 64 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 5 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 47,520 vehicles a day, roughly 4% of them trucks, projected to reach 54,000 by 2042. The structure is 1,195 ft (364.2 m) long and 73 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesMn 5
CrossesMiss River; City ST
Location2.1 MI SW of JCT TH 51
RouteState Highway 5
Coordinates44.89433, -93.18146
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40.3 US tons
Inventory rating31.1 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans7
Design loadHL 93
Structure length1,195 ft (364.2 m)
Longest span300 ft (91.4 m)
Deck width73 ft (22.3 m)
Roadway width59 ft (17.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic47,520 (2022)
Projected traffic54,000 by 2042
Trucks4%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway and waterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Mn 5 over Miss River; City ST built?

It was built in 1961, making it 64 years old in 2025. It was reconstructed in 2016.

What condition is Mn 5 over Miss River; City ST 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 October 2024.

How much traffic does Mn 5 over Miss River; City ST carry?

About 47,520 vehicles per day (2022 count), of which roughly 4% are trucks.

How long is Mn 5 over Miss River; City ST?

The structure is 1,195 ft (364.2 m) long with a longest span of 300 ft (91.4 m) and a deck 73 ft wide.

Who owns Mn 5 over Miss River; City ST?

It is owned by the State Highway Agency.