US Bridges

Csah 109 over I 94

Fair

Hennepin County, Minnesota · 0.8 MI NW of JCT TH 494 · Structure no. 27950

Built
1969
56 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
341 ft
4 main spans
Daily traffic
34,006
2021 count
Owner
State
State Highway Agency

About this bridge

Csah 109 over I 94 is a prestressed concrete stringer/multi-beam or girder carrying Csah 109 over I 94 in Hennepin County, Minnesota. It was built in 1969, so it is 56 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 34,006 vehicles a day, projected to reach 39,000 by 2041. The structure is 341 ft (103.9 m) long and 92 ft wide.

CarriesCsah 109
CrossesI 94
Location0.8 MI NW of JCT TH 494
RouteCounty Highway 109
Coordinates45.10451, -93.45994
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.
Last inspectionOctober 2024
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 alignment8: Equal to present desirable criteria
Operating rating74.5 US tons
Inventory rating35.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length341 ft (103.9 m)
Longest span105 ft (31.9 m)
Deck width92 ft (28.1 m)
Roadway width72 ft (21.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic34,006 (2021)
Projected traffic39,000 by 2041
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 109 over I 94 built?

It was built in 1969, making it 56 years old in 2025.

What condition is Csah 109 over I 94 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 October 2024.

How much traffic does Csah 109 over I 94 carry?

About 34,006 vehicles per day (2021 count).

How long is Csah 109 over I 94?

The structure is 341 ft (103.9 m) long with a longest span of 105 ft (31.9 m) and a deck 92 ft wide.

Who owns Csah 109 over I 94?

It is owned by the State Highway Agency.