US Bridges

CR 178 over I 94

Fair

Wilkin County, Minnesota · 2.5 MI NW of County Line · Structure no. 84805

Built
1968
57 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
262 ft
4 main spans
Daily traffic
50
2022 count
Owner
State
State Highway Agency

About this bridge

CR 178 over I 94 is a prestressed concrete stringer/multi-beam or girder carrying CR 178 over I 94 in Wilkin 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 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 50 vehicles a day, projected to reach 50 by 2042. The structure is 262 ft (80 m) long and 36 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesCR 178
CrossesI 94
Location2.5 MI NW of County Line
RouteCounty Highway 178
Coordinates46.51533, -96.2908
Functional classRural Local

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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 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 geometry8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74.3 US tons
Inventory rating29.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length262 ft (80 m)
Longest span86 ft (26.1 m)
Deck width36 ft (11 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2022)
Projected traffic50 by 2042
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed9.9 mi (16 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was CR 178 over I 94 built?

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

What condition is CR 178 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 2023.

How much traffic does CR 178 over I 94 carry?

About 50 vehicles per day (2022 count).

How long is CR 178 over I 94?

The structure is 262 ft (80 m) long with a longest span of 86 ft (26.1 m) and a deck 36 ft wide.

Who owns CR 178 over I 94?

It is owned by the State Highway Agency.