US Bridges

Csah 72 over Swan River

Fair

Itasca County, Minnesota · 2.5 MI N of JCT Csah 65 · Structure no. 31528

Built
1991
34 years old
Condition
Fair
inspected October 2024
Type
Slab
Wood or Timber
Length
109 ft
3 main spans
Daily traffic
70
2013 count
Owner
County
County Highway Agency

About this bridge

Csah 72 over Swan River is a wood or timber slab carrying Csah 72 over Swan River in Itasca County, Minnesota. It was built in 1991, so it is 34 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 70 vehicles a day, projected to reach 70 by 2039. The structure is 109 ft (33.3 m) long and 34 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesCsah 72
CrossesSwan River
Location2.5 MI N of JCT Csah 65
RouteCounty Highway 72
Coordinates47.05719, -93.25291
Functional classRural Minor 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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 rating52.9 US tons
Inventory rating36.4 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans3
Design loadHS 20
Structure length109 ft (33.3 m)
Longest span38 ft (11.5 m)
Deck width34 ft (10.4 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic70 (2013)
Projected traffic70 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 72 over Swan River built?

It was built in 1991, making it 34 years old in 2025.

What condition is Csah 72 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 October 2024.

How much traffic does Csah 72 over Swan River carry?

About 70 vehicles per day (2013 count).

How long is Csah 72 over Swan River?

The structure is 109 ft (33.3 m) long with a longest span of 38 ft (11.5 m) and a deck 34 ft wide.

Who owns Csah 72 over Swan River?

It is owned by the County Highway Agency.