US Bridges

CR 438 over Swan River

Good

Itasca County, Minnesota · 0.1 MI W of JCT CR 428 · Structure no. 31577

Built
2020
5 years old
Condition
Good
inspected October 2024
Type
Slab
Concrete Continuous
Length
123 ft
3 main spans
Daily traffic
50
2013 count
Owner
County
County Highway Agency

About this bridge

CR 438 over Swan River is a concrete continuous slab carrying CR 438 over Swan River in Itasca County, Minnesota. It was built in 2020, so it is 5 years old, younger 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 50 vehicles a day, projected to reach 49 by 2033. The structure is 123 ft (37.6 m) long and 31 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesCR 438
CrossesSwan River
Location0.1 MI W of JCT CR 428
RouteCounty Highway 438
Coordinates47.03233, -93.19342
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation9: Superior to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.3 US tons
Inventory rating49.6 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length123 ft (37.6 m)
Longest span46 ft (14 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2013)
Projected traffic49 by 2033
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 438 over Swan River built?

It was built in 2020, making it 5 years old in 2025.

What condition is CR 438 over Swan 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 October 2024.

How much traffic does CR 438 over Swan River carry?

About 50 vehicles per day (2013 count).

How long is CR 438 over Swan River?

The structure is 123 ft (37.6 m) long with a longest span of 46 ft (14 m) and a deck 31 ft wide.

Who owns CR 438 over Swan River?

It is owned by the County Highway Agency.