US Bridges

CR 64 over Raven Stream

FairPosted for load

Scott County, Minnesota · 0.8 MI E of JCT TH21 · Structure no. 70503

Built
1964
61 years old
Condition
Fair
inspected May 2023
Type
Slab
Wood or Timber
Length
62 ft
3 main spans
Daily traffic
225
2022 count
Owner
County
County Highway Agency

About this bridge

CR 64 over Raven Stream is a wood or timber slab carrying CR 64 over Raven Stream in Scott County, Minnesota. It was built in 1964, so it is 61 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 225 vehicles a day, projected to reach 225 by 2042. The structure is 62 ft (18.9 m) long and 42 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCR 64
CrossesRaven Stream
Location0.8 MI E of JCT TH21
RouteCounty Highway 64
Coordinates44.61615, -93.5865
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.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating50.4 US tons
Inventory rating35.6 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans3
Design loadH 20
Structure length62 ft (18.9 m)
Longest span26 ft (7.8 m)
Deck width42 ft (12.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic225 (2022)
Projected traffic225 by 2042
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 64 over Raven Stream built?

It was built in 1964, making it 61 years old in 2025.

What condition is CR 64 over Raven Stream 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 CR 64 over Raven Stream carry?

About 225 vehicles per day (2022 count).

How long is CR 64 over Raven Stream?

The structure is 62 ft (18.9 m) long with a longest span of 26 ft (7.8 m) and a deck 42 ft wide.

Who owns CR 64 over Raven Stream?

It is owned by the County Highway Agency.