US Bridges

Csah 15 over Arcola Channel

Fair

Hennepin County, Minnesota · 0.7 MI S of JCT Csah 51 · Structure no. 27510

Built
1962
63 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
556 ft
8 main spans
Daily traffic
13,252
2021 count
Owner
County
County Highway Agency

About this bridge

Csah 15 over Arcola Channel is a steel continuous stringer/multi-beam or girder carrying Csah 15 over Arcola Channel in Hennepin County, Minnesota. It was built in 1962, so it is 63 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 13,252 vehicles a day, projected to reach 14,600 by 2041. The structure is 556 ft (169.5 m) long and 55 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesCsah 15
CrossesArcola Channel
Location0.7 MI S of JCT Csah 51
RouteCounty Highway 15
CountyHennepin County
StateMinnesota
Coordinates44.9443, -93.57976
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating53.6 US tons
Inventory rating32 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans8
Design loadHS 20
Structure length556 ft (169.5 m)
Longest span78 ft (23.8 m)
Deck width55 ft (16.9 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,252 (2021)
Projected traffic14,600 by 2041
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 15 over Arcola Channel built?

It was built in 1962, making it 63 years old in 2025.

What condition is Csah 15 over Arcola Channel 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 May 2024.

How much traffic does Csah 15 over Arcola Channel carry?

About 13,252 vehicles per day (2021 count).

How long is Csah 15 over Arcola Channel?

The structure is 556 ft (169.5 m) long with a longest span of 78 ft (23.8 m) and a deck 55 ft wide.

Who owns Csah 15 over Arcola Channel?

It is owned by the County Highway Agency.