US Bridges

Csah 81 over TH 610; on Ramp

Fair

Hennepin County, Minnesota · 2.7 MI W of JCT TH 94;610 · Structure no. 27238

Built
2005
20 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
303 ft
2 main spans
Daily traffic
6,474
2022 count
Owner
State
State Highway Agency

About this bridge

Csah 81 over TH 610; on Ramp is a prestressed concrete stringer/multi-beam or girder carrying Csah 81 over TH 610; on Ramp in Hennepin County, Minnesota. It was built in 2005, so it is 20 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 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 6,474 vehicles a day, roughly 12% of them trucks, projected to reach 10,200 by 2042. The structure is 303 ft (92.5 m) long and 58 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesCsah 81
CrossesTH 610; on Ramp
Location2.7 MI W of JCT TH 94;610
RouteCounty Highway 81
CountyHennepin County
StateMinnesota
Coordinates45.13059, -93.43933
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
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating85.6 US tons
Inventory rating44.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length303 ft (92.5 m)
Longest span155 ft (47.3 m)
Deck width58 ft (17.8 m)
Roadway width44 ft (13.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,474 (2022)
Projected traffic10,200 by 2042
Trucks12%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$1,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Csah 81 over TH 610; on Ramp built?

It was built in 2005, making it 20 years old in 2025.

What condition is Csah 81 over TH 610; on Ramp 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 81 over TH 610; on Ramp carry?

About 6,474 vehicles per day (2022 count), of which roughly 12% are trucks.

How long is Csah 81 over TH 610; on Ramp?

The structure is 303 ft (92.5 m) long with a longest span of 155 ft (47.3 m) and a deck 58 ft wide.

Who owns Csah 81 over TH 610; on Ramp?

It is owned by the State Highway Agency.