US Bridges

Csah 7 over Seelye Brook

Poor

Anoka County, Minnesota · 1.2 MI S of JCT Csah 24 · Structure no. 02535

Built
1984
41 years old
Condition
Poor
inspected October 2024
Type
Slab
Wood or Timber
Length
60 ft
3 main spans
Daily traffic
5,661
2022 count
Owner
County
County Highway Agency

About this bridge

Csah 7 over Seelye Brook is a wood or timber slab carrying Csah 7 over Seelye Brook in Anoka County, Minnesota. It was built in 1984, so it is 41 years old, older than the Minnesota average of 38.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 5,661 vehicles a day, roughly 6% of them trucks, projected to reach 6,200 by 2042. The structure is 60 ft (18.3 m) long and 46 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesCsah 7
CrossesSeelye Brook
Location1.2 MI S of JCT Csah 24
RouteCounty Highway 7
CountyAnoka County
StateMinnesota
Coordinates45.3664, -93.37264
Functional classUrban Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.3 US tons
Inventory rating49.3 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans3
Design loadHS 20
Structure length60 ft (18.3 m)
Longest span20 ft (6.1 m)
Deck width46 ft (14 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,661 (2022)
Projected traffic6,200 by 2042
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 7 over Seelye Brook built?

It was built in 1984, making it 41 years old in 2025.

What condition is Csah 7 over Seelye Brook in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in October 2024.

How much traffic does Csah 7 over Seelye Brook carry?

About 5,661 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is Csah 7 over Seelye Brook?

The structure is 60 ft (18.3 m) long with a longest span of 20 ft (6.1 m) and a deck 46 ft wide.

Who owns Csah 7 over Seelye Brook?

It is owned by the County Highway Agency.