US Bridges

Csah 3 over Mississippi R; City Sts

Fair

Ramsey County, Minnesota · At Ramsey; Henn CO Line · Structure no. 62082

Built
1989
36 years old
Condition
Fair
inspected June 2024
Type
Arch - Deck
Concrete
Length
1,484 ft
2 main spans
Daily traffic
13,100
2020 count
Owner
County
County Highway Agency

About this bridge

Csah 3 over Mississippi R; City Sts is a concrete arch - deck carrying Csah 3 over Mississippi R; City Sts in Ramsey County, Minnesota. It was built in 1989, so it is 36 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 13,100 vehicles a day, projected to reach 16,600 by 2040. The structure is 1,484 ft (452.2 m) long and 83 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesCsah 3
CrossesMississippi R; City Sts
LocationAt Ramsey; Henn CO Line
RouteCounty Highway 3
CountyRamsey County
StateMinnesota
Coordinates44.94841, -93.20228
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.
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 inspectionJune 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.7 US tons
Inventory rating20 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2 (+7 approach)
Design loadHS 20
Structure length1,484 ft (452.2 m)
Longest span555 ft (169.3 m)
Deck width83 ft (25.3 m)
Roadway width60 ft (18.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,100 (2020)
Projected traffic16,600 by 2040
Trucks—
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 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 3 over Mississippi R; City Sts built?

It was built in 1989, making it 36 years old in 2025.

What condition is Csah 3 over Mississippi R; City Sts 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 June 2024.

How much traffic does Csah 3 over Mississippi R; City Sts carry?

About 13,100 vehicles per day (2020 count).

How long is Csah 3 over Mississippi R; City Sts?

The structure is 1,484 ft (452.2 m) long with a longest span of 555 ft (169.3 m) and a deck 83 ft wide.

Who owns Csah 3 over Mississippi R; City Sts?

It is owned by the County Highway Agency.