US Bridges

Csah 3 over TH 100; SB Off Ramp

Fair

Hennepin County, Minnesota · 0.9 MI S of JCT TH 7 · Structure no. 27106

Built
1968
57 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
218 ft
3 main spans
Daily traffic
23,300
2016 count
Owner
State
State Highway Agency

About this bridge

Csah 3 over TH 100; SB Off Ramp is a steel continuous stringer/multi-beam or girder carrying Csah 3 over TH 100; SB Off Ramp in Hennepin County, Minnesota. It was built in 1968, so it is 57 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 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 23,300 vehicles a day, projected to reach 23,300 by 2039. The structure is 218 ft (66.3 m) long and 104 ft wide.

CarriesCsah 3
CrossesTH 100; SB Off Ramp
Location0.9 MI S of JCT TH 7
RouteCounty Highway 3
Coordinates44.93026, -93.34996
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.2 US tons
Inventory rating37.4 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length218 ft (66.3 m)
Longest span126 ft (38.4 m)
Deck width104 ft (31.8 m)
Roadway width78 ft (23.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic23,300 (2016)
Projected traffic23,300 by 2039
Trucks—
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed—
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Csah 3 over TH 100; SB Off Ramp built?

It was built in 1968, making it 57 years old in 2025.

What condition is Csah 3 over TH 100; SB Off 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 May 2023.

How much traffic does Csah 3 over TH 100; SB Off Ramp carry?

About 23,300 vehicles per day (2016 count).

How long is Csah 3 over TH 100; SB Off Ramp?

The structure is 218 ft (66.3 m) long with a longest span of 126 ft (38.4 m) and a deck 104 ft wide.

Who owns Csah 3 over TH 100; SB Off Ramp?

It is owned by the State Highway Agency.