US Bridges

Csah 22 over Ford Brook

Fair

Anoka County, Minnesota · 0.4 MI W of JCT TH 47 · Structure no. 02548

Built
1987
38 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
69 ft
1 main span
Daily traffic
6,300
2019 count
Owner
County
County Highway Agency

About this bridge

Csah 22 over Ford Brook is a prestressed concrete stringer/multi-beam or girder carrying Csah 22 over Ford Brook in Anoka County, Minnesota. It was built in 1987, so it is 38 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 6,300 vehicles a day, roughly 6% of them trucks, projected to reach 5,500 by 2039. The structure is 69 ft (21 m) long and 43 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCsah 22
CrossesFord Brook
Location0.4 MI W of JCT TH 47
RouteCounty Highway 22
Coordinates45.32808, -93.40939
Functional classRural 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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating47.8 US tons
Inventory rating28.4 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length69 ft (21 m)
Longest span67 ft (20.4 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,300 (2019)
Projected traffic5,500 by 2039
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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 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 22 over Ford Brook built?

It was built in 1987, making it 38 years old in 2025.

What condition is Csah 22 over Ford Brook 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 September 2023.

How much traffic does Csah 22 over Ford Brook carry?

About 6,300 vehicles per day (2019 count), of which roughly 6% are trucks.

How long is Csah 22 over Ford Brook?

The structure is 69 ft (21 m) long with a longest span of 67 ft (20.4 m) and a deck 43 ft wide.

Who owns Csah 22 over Ford Brook?

It is owned by the County Highway Agency.