US Bridges

Csah 51 over Sand Creek

Good

Anoka County, Minnesota · 0.1 M N of JCT 117th Av N · Structure no. 02585

Built
2015
10 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
87 ft
1 main span
Daily traffic
8,400
2019 count
Owner
County
County Highway Agency

About this bridge

Csah 51 over Sand Creek is a prestressed concrete stringer/multi-beam or girder carrying Csah 51 over Sand Creek in Anoka County, Minnesota. It was built in 2015, so it is 10 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 8,400 vehicles a day, projected to reach 9,000 by 2039. The structure is 87 ft (26.4 m) long and 112 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesCsah 51
CrossesSand Creek
Location0.1 M N of JCT 117th Av N
RouteCounty Highway 51
Coordinates45.18357, -93.26609
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.4 US tons
Inventory rating46.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length87 ft (26.4 m)
Longest span85 ft (25.9 m)
Deck width112 ft (34.2 m)
Roadway width77 ft (23.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,400 (2019)
Projected traffic9,000 by 2039
Trucks—
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
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 statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Csah 51 over Sand Creek built?

It was built in 2015, making it 10 years old in 2025.

What condition is Csah 51 over Sand Creek 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 September 2024.

How much traffic does Csah 51 over Sand Creek carry?

About 8,400 vehicles per day (2019 count).

How long is Csah 51 over Sand Creek?

The structure is 87 ft (26.4 m) long with a longest span of 85 ft (25.9 m) and a deck 112 ft wide.

Who owns Csah 51 over Sand Creek?

It is owned by the County Highway Agency.