US Bridges

Csah 11 over Mississippi River

Fair

Beltrami County, Minnesota · 1.1 MI S of JCT Csah 7 · Structure no. 04521

Built
2001
24 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
115 ft
1 main span
Daily traffic
3,400
2018 count
Owner
County
County Highway Agency

About this bridge

Csah 11 over Mississippi River is a prestressed concrete stringer/multi-beam or girder carrying Csah 11 over Mississippi River in Beltrami County, Minnesota. It was built in 2001, so it is 24 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 3,400 vehicles a day, projected to reach 3,400 by 2038. The structure is 115 ft (35.1 m) long and 47 ft wide.

CarriesCsah 11
CrossesMississippi River
Location1.1 MI S of JCT Csah 7
RouteCounty Highway 11
Coordinates47.45111, -94.90671
Functional classUrban 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.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating92.5 US tons
Inventory rating39.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length115 ft (35.1 m)
Longest span114 ft (34.6 m)
Deck width47 ft (14.4 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,400 (2018)
Projected traffic3,400 by 2038
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 11 over Mississippi River built?

It was built in 2001, making it 24 years old in 2025.

What condition is Csah 11 over Mississippi 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 September 2024.

How much traffic does Csah 11 over Mississippi River carry?

About 3,400 vehicles per day (2018 count).

How long is Csah 11 over Mississippi River?

The structure is 115 ft (35.1 m) long with a longest span of 114 ft (34.6 m) and a deck 47 ft wide.

Who owns Csah 11 over Mississippi River?

It is owned by the County Highway Agency.