US Bridges

CR 325 over Prairie River

Fair

Itasca County, Minnesota · 1.5 MI E of JCT Csah 49 · Structure no. 31537

Built
1998
27 years old
Condition
Fair
inspected October 2023
Type
Slab
Concrete Continuous
Length
113 ft
3 main spans
Daily traffic
110
2013 count
Owner
County
County Highway Agency

About this bridge

CR 325 over Prairie River is a concrete continuous slab carrying CR 325 over Prairie River in Itasca County, Minnesota. It was built in 1998, so it is 27 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 110 vehicles a day, projected to reach 110 by 2039. The structure is 113 ft (34.4 m) long and 35 ft wide. If it were closed, the detour would be 18 mi (29 km).

Location

Open in Google Maps
CarriesCR 325
CrossesPrairie River
Location1.5 MI E of JCT Csah 49
RouteCounty Highway 325
CountyItasca County
StateMinnesota
Coordinates47.36282, -93.49625
Functional classRural Local

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 inspectionOctober 2023
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 geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating109.8 US tons
Inventory rating75.1 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length113 ft (34.4 m)
Longest span42 ft (12.9 m)
Deck width35 ft (10.6 m)
Roadway width31 ft (9.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic110 (2013)
Projected traffic110 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18 mi (29 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 CR 325 over Prairie River built?

It was built in 1998, making it 27 years old in 2025.

What condition is CR 325 over Prairie 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 2023.

How much traffic does CR 325 over Prairie River carry?

About 110 vehicles per day (2013 count).

How long is CR 325 over Prairie River?

The structure is 113 ft (34.4 m) long with a longest span of 42 ft (12.9 m) and a deck 35 ft wide.

Who owns CR 325 over Prairie River?

It is owned by the County Highway Agency.