US Bridges

CR 710 over Deer Creek

Fair

St. Louis County, Minnesota · 2.4 MI N of JCT CSAH39 · Structure no. 69K23

Built
2015
10 years old
Condition
Fair
inspected August 2023
Type
Culvert
Concrete
Length
35 ft
2 main spans
Daily traffic
161
2022 count
Owner
County
County Highway Agency

About this bridge

CR 710 over Deer Creek is a concrete culvert carrying CR 710 over Deer Creek in St. Louis County, Minnesota. It was built in 2015, so it is 10 years old, younger 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 161 vehicles a day, roughly 6% of them trucks, projected to reach 166 by 2042. The structure is 35 ft (10.8 m) long. If it were closed, the detour would be 8.7 mi (14 km).

CarriesCR 710
CrossesDeer Creek
Location2.4 MI N of JCT CSAH39
RouteCounty Highway 710
Coordinates47.51209, -93.02285
Functional classRural Major 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
Channel and channel protection7 GoodSome minor problems.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHL 93
Structure length35 ft (10.8 m)
Longest span16 ft (4.9 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic161 (2022)
Projected traffic166 by 2042
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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 710 over Deer Creek built?

It was built in 2015, making it 10 years old in 2025.

What condition is CR 710 over Deer Creek 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 August 2023.

How much traffic does CR 710 over Deer Creek carry?

About 161 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is CR 710 over Deer Creek?

The structure is 35 ft (10.8 m) long with a longest span of 16 ft (4.9 m).

Who owns CR 710 over Deer Creek?

It is owned by the County Highway Agency.