US Bridges

Csah 35 over Bowstring River

Good

Itasca County, Minnesota · 3.7 MI NE of JCT TH 46 · Structure no. 31532

Built
1995
30 years old
Condition
Good
inspected November 2023
Type
Tee Beam
Prestressed Concrete
Length
127 ft
3 main spans
Daily traffic
273
2022 count
Owner
County
County Highway Agency

About this bridge

Csah 35 over Bowstring River is a prestressed concrete tee beam carrying Csah 35 over Bowstring River in Itasca County, Minnesota. It was built in 1995, so it is 30 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 273 vehicles a day, projected to reach 355 by 2042. The structure is 127 ft (38.7 m) long and 44 ft wide. If it were closed, the detour would be 21.7 mi (35 km).

CarriesCsah 35
CrossesBowstring River
Location3.7 MI NE of JCT TH 46
RouteCounty Highway 35
Coordinates47.55374, -93.98615
Functional classRural Major Collector

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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2023
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 geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating77.4 US tons
Inventory rating46.4 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 25 or greater
Structure length127 ft (38.7 m)
Longest span42 ft (12.9 m)
Deck width44 ft (13.5 m)
Roadway width36 ft (11.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic273 (2022)
Projected traffic355 by 2042
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed21.7 mi (35 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 Csah 35 over Bowstring River built?

It was built in 1995, making it 30 years old in 2025.

What condition is Csah 35 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 November 2023.

How much traffic does Csah 35 over Bowstring River carry?

About 273 vehicles per day (2022 count).

How long is Csah 35 over Bowstring River?

The structure is 127 ft (38.7 m) long with a longest span of 42 ft (12.9 m) and a deck 44 ft wide.

Who owns Csah 35 over Bowstring River?

It is owned by the County Highway Agency.