US Bridges

I 94 over Csah 23

Poor

Douglas County, Minnesota · 2.5 MI E of JCT TH 29 · Structure no. 21818

Built
1965
60 years old
Condition
Poor
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
111 ft
3 main spans
Daily traffic
8,360
2022 count
Owner
State
State Highway Agency

About this bridge

I 94 over Csah 23 is a steel continuous stringer/multi-beam or girder carrying I 94 over Csah 23 in Douglas County, Minnesota. It was built in 1965, so it is 60 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 8,360 vehicles a day, roughly 27% of them trucks, projected to reach 9,700 by 2042. The structure is 111 ft (33.8 m) long and 41 ft wide. If it were closed, the detour would be 19.3 mi (31 km).

CarriesI 94
CrossesCsah 23
Location2.5 MI E of JCT TH 29
RouteInterstate 94
Coordinates45.83561, -95.33619
Functional classUrban Principal Arterial - Interstate

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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionAugust 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58.3 US tons
Inventory rating34.9 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length111 ft (33.8 m)
Longest span44 ft (13.4 m)
Deck width41 ft (12.6 m)
Roadway width38 ft (11.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,360 (2022)
Projected traffic9,700 by 2042
Trucks27%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed19.3 mi (31 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 I 94 over Csah 23 built?

It was built in 1965, making it 60 years old in 2025.

What condition is I 94 over Csah 23 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 August 2024.

How much traffic does I 94 over Csah 23 carry?

About 8,360 vehicles per day (2022 count), of which roughly 27% are trucks.

How long is I 94 over Csah 23?

The structure is 111 ft (33.8 m) long with a longest span of 44 ft (13.4 m) and a deck 41 ft wide.

Who owns I 94 over Csah 23?

It is owned by the State Highway Agency.