US Bridges

Csah 7 over Mississippi River

Good

Beltrami County, Minnesota · 2.1 MI NE of S CO Line · Structure no. 04512

Built
1981
44 years old
Condition
Good
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
190 ft
3 main spans
Daily traffic
873
2022 count
Owner
County
County Highway Agency

About this bridge

Csah 7 over Mississippi River is a steel continuous stringer/multi-beam or girder carrying Csah 7 over Mississippi River in Beltrami County, Minnesota. It was built in 1981, so it is 44 years old, older 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 873 vehicles a day, projected to reach 970 by 2042. The structure is 190 ft (57.8 m) long and 39 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesCsah 7
CrossesMississippi River
Location2.1 MI NE of S CO Line
RouteCounty Highway 7
Coordinates47.43535, -94.99854
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.5 US tons
Inventory rating44.6 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length190 ft (57.8 m)
Longest span70 ft (21.3 m)
Deck width39 ft (12 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic873 (2022)
Projected traffic970 by 2042
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 7 over Mississippi River built?

It was built in 1981, making it 44 years old in 2025.

What condition is Csah 7 over Mississippi 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 June 2023.

How much traffic does Csah 7 over Mississippi River carry?

About 873 vehicles per day (2022 count).

How long is Csah 7 over Mississippi River?

The structure is 190 ft (57.8 m) long with a longest span of 70 ft (21.3 m) and a deck 39 ft wide.

Who owns Csah 7 over Mississippi River?

It is owned by the County Highway Agency.