US Bridges

Csah 51 over Recreational Trail

Fair

Ramsey County, Minnesota · 0.1 MI N of JCT Msas 122 · Structure no. 92247

Built
1904
121 years old
Condition
Fair
inspected July 2023
Type
Arch - Deck
Concrete
Length
47 ft
1 main span
Daily traffic
7,778
2021 count
Owner
County
County Highway Agency

About this bridge

Csah 51 over Recreational Trail is a concrete arch - deck carrying Csah 51 over Recreational Trail in Ramsey County, Minnesota. It was built in 1904, so it is 121 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 7,778 vehicles a day, projected to reach 17,200 by 2041. The structure is 47 ft (14.3 m) long and 53 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesCsah 51
CrossesRecreational Trail
Location0.1 MI N of JCT Msas 122
RouteCounty Highway 51
Coordinates44.9786, -93.1469
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
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
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
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating54 US tons
Inventory rating36 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length47 ft (14.3 m)
Longest span39 ft (11.8 m)
Deck width53 ft (16.2 m)
Roadway width36 ft (11.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,778 (2021)
Projected traffic17,200 by 2041
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesPedestrian / bicycle
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusListed on the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Csah 51 over Recreational Trail built?

It was built in 1904, making it 121 years old in 2025.

What condition is Csah 51 over Recreational Trail 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 July 2023.

How much traffic does Csah 51 over Recreational Trail carry?

About 7,778 vehicles per day (2021 count).

How long is Csah 51 over Recreational Trail?

The structure is 47 ft (14.3 m) long with a longest span of 39 ft (11.8 m) and a deck 53 ft wide.

Who owns Csah 51 over Recreational Trail?

It is owned by the County Highway Agency.