US Bridges

Csah 7 over Rice River

Fair

Itasca County, Minnesota · 0.1 MI E of JCT TH 38 · Structure no. 31517

Built
1978
47 years old
Condition
Fair
inspected May 2024
Type
Channel Beam
Prestressed Concrete
Length
93 ft
3 main spans
Daily traffic
1,650
2020 count
Owner
County
County Highway Agency

About this bridge

Csah 7 over Rice River is a prestressed concrete channel beam carrying Csah 7 over Rice River in Itasca County, Minnesota. It was built in 1978, so it is 47 years old, older 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 5 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 1,650 vehicles a day, projected to reach 1,800 by 2040. The structure is 93 ft (28.4 m) long and 53 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

Location

Open in Google Maps
CarriesCsah 7
CrossesRice River
Location0.1 MI E of JCT TH 38
RouteCounty Highway 7
CountyItasca County
StateMinnesota
Coordinates47.74319, -93.65238
Functional classRural Major 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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70.5 US tons
Inventory rating42.1 US tons

Structure

Structure typeChannel Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length93 ft (28.4 m)
Longest span31 ft (9.5 m)
Deck width53 ft (16.2 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,650 (2020)
Projected traffic1,800 by 2040
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed11.8 mi (19 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$850 million (2018 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Csah 7 over Rice River built?

It was built in 1978, making it 47 years old in 2025.

What condition is Csah 7 over Rice 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 Csah 7 over Rice River carry?

About 1,650 vehicles per day (2020 count).

How long is Csah 7 over Rice River?

The structure is 93 ft (28.4 m) long with a longest span of 31 ft (9.5 m) and a deck 53 ft wide.

Who owns Csah 7 over Rice River?

It is owned by the County Highway Agency.