US Bridges

Csah 10 over Swan River

Fair

Itasca County, Minnesota · 0.1 MI S of JCT CR 566 · Structure no. 31551

Built
2009
16 years old
Condition
Fair
inspected May 2024
Type
Slab
Concrete Continuous
Length
127 ft
3 main spans
Daily traffic
620
2020 count
Owner
County
County Highway Agency

About this bridge

Csah 10 over Swan River is a concrete continuous slab carrying Csah 10 over Swan River in Itasca County, Minnesota. It was built in 2009, so it is 16 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 620 vehicles a day, projected to reach 690 by 2040. The structure is 127 ft (38.6 m) long and 43 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesCsah 10
CrossesSwan River
Location0.1 MI S of JCT CR 566
RouteCounty Highway 10
CountyItasca County
StateMinnesota
Coordinates47.20103, -93.28937
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
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 evaluation6: Equal to present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating101.2 US tons
Inventory rating60.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length127 ft (38.6 m)
Longest span48 ft (14.6 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic620 (2020)
Projected traffic690 by 2040
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 10 over Swan River built?

It was built in 2009, making it 16 years old in 2025.

What condition is Csah 10 over Swan 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 10 over Swan River carry?

About 620 vehicles per day (2020 count).

How long is Csah 10 over Swan River?

The structure is 127 ft (38.6 m) long with a longest span of 48 ft (14.6 m) and a deck 43 ft wide.

Who owns Csah 10 over Swan River?

It is owned by the County Highway Agency.