CR 74 over Redwood River

FairPosted for load

Lyon County, Minnesota · 0.2 MI W of JCT TH 23 · Structure no. 42515

Built: 1969; 56 years old
Condition: Fair; inspected October 2023
Type: Slab; Wood or Timber
Length: 104 ft; 4 main spans
Daily traffic: 298; 2022 count
Owner: County; County Highway Agency

About this bridge

CR 74 over Redwood River is a wood or timber slab carrying CR 74 over Redwood River in Lyon 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 298 vehicles a day, projected to reach 190 by 2042. The structure is 104 ft (31.7 m) long and 28 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

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CarriesCR 74

CrossesRedwood River

Location0.2 MI W of JCT TH 23

RouteCounty Highway 74

CountyLyon County

StateMinnesota

Coordinates44.41404, -95.86013

Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

Component	Rating	Meaning
Deck	7 Good	Some minor problems.
Superstructure	7 Good	Some minor problems.
Substructure	6 Satisfactory	Structural elements show some minor deterioration.
Channel and channel protection	7 Good	Some minor problems.

Last inspectionOctober 2023

Inspection intervalevery 24 months

Operating statusPosted for load restriction

ScourFoundations stable; action required to protect exposed foundations

Structural evaluation6: Equal to present minimum criteria

Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is

Waterway adequacy8: Equal to present desirable criteria

Approach roadway alignment8: Equal to present desirable criteria

Operating rating46.7 US tons

Inventory rating32 US tons

Structure

Structure typeSlab

MaterialWood or Timber

DeckWood or timber

Main spans4

Design loadH 20

Structure length104 ft (31.7 m)

Longest span26 ft (8 m)

Deck width28 ft (8.4 m)

Roadway width26 ft (8 m)

Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic298 (2022)

Projected traffic190 by 2042

Trucks—

Lanes on structure2

Traffic directionTwo-way traffic

CarriesHighway

CrossesWaterway

Detour if closed6.2 mi (10 km)

TollOn a free road

National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency

Maintained byCounty Highway Agency

Historic statusNot eligible for the National Register of Historic Places

Work proposedNone recorded

Estimated improvement cost—

NavigationNo navigation control on waterway

Frequently asked questions

When was CR 74 over Redwood River built?

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

What condition is CR 74 over Redwood River 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 74 over Redwood River carry?

About 298 vehicles per day (2022 count).

How long is CR 74 over Redwood River?

The structure is 104 ft (31.7 m) long with a longest span of 26 ft (8 m) and a deck 28 ft wide.

Who owns CR 74 over Redwood River?

It is owned by the County Highway Agency.