US Bridges

CR 145 over Bowstring River

Good

Itasca County, Minnesota · 0.7 MI E of JCT CR 126 · Structure no. 31546

Built
2004
21 years old
Condition
Good
inspected May 2024
Type
Stringer/Multi-beam or Girder
Concrete Continuous
Length
205 ft
3 main spans
Daily traffic
60
2017 count
Owner
County
County Highway Agency

About this bridge

CR 145 over Bowstring River is a concrete continuous stringer/multi-beam or girder carrying CR 145 over Bowstring River in Itasca County, Minnesota. It was built in 2004, so it is 21 years old, younger than the Minnesota average of 38.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 60 vehicles a day, projected to reach 60 by 2039. The structure is 205 ft (62.5 m) long and 35 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesCR 145
CrossesBowstring River
Location0.7 MI E of JCT CR 126
RouteCounty Highway 145
Coordinates47.70166, -94.06007
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating73.7 US tons
Inventory rating45 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length205 ft (62.5 m)
Longest span68 ft (20.8 m)
Deck width35 ft (10.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic60 (2017)
Projected traffic60 by 2039
Trucks—
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 145 over Bowstring River built?

It was built in 2004, making it 21 years old in 2025.

What condition is CR 145 over Bowstring River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in May 2024.

How much traffic does CR 145 over Bowstring River carry?

About 60 vehicles per day (2017 count).

How long is CR 145 over Bowstring River?

The structure is 205 ft (62.5 m) long with a longest span of 68 ft (20.8 m) and a deck 35 ft wide.

Who owns CR 145 over Bowstring River?

It is owned by the County Highway Agency.