US Bridges

CR 623 over Big Fork River

Fair

Itasca County, Minnesota · 1.1 MI E of JCT Csah 79 · Structure no. 31540

Built
2002
23 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
220 ft
3 main spans
Daily traffic
10
2017 count
Owner
County
County Highway Agency

About this bridge

CR 623 over Big Fork River is a prestressed concrete stringer/multi-beam or girder carrying CR 623 over Big Fork River in Itasca County, Minnesota. It was built in 2002, so it is 23 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 6 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 10 vehicles a day, projected to reach 10 by 2039. The structure is 220 ft (67 m) long and 35 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

CarriesCR 623
CrossesBig Fork River
Location1.1 MI E of JCT Csah 79
RouteCounty Highway 623
Coordinates47.81833, -93.55167
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78.5 US tons
Inventory rating47.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length220 ft (67 m)
Longest span71 ft (21.7 m)
Deck width35 ft (10.7 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2017)
Projected traffic10 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 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 623 over Big Fork River built?

It was built in 2002, making it 23 years old in 2025.

What condition is CR 623 over Big Fork 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 May 2024.

How much traffic does CR 623 over Big Fork River carry?

About 10 vehicles per day (2017 count).

How long is CR 623 over Big Fork River?

The structure is 220 ft (67 m) long with a longest span of 71 ft (21.7 m) and a deck 35 ft wide.

Who owns CR 623 over Big Fork River?

It is owned by the County Highway Agency.