US Bridges

CR 140 over W Br Rum River

Good

Mille Lacs County, Minnesota · 0.6 MI W of JCT Csah 18 · Structure no. 91378

Built
1976
49 years old
Condition
Good
inspected September 2022
Type
Culvert
Concrete
Length
63 ft
4 main spans
Daily traffic
135
2016 count
Owner
County
County Highway Agency

About this bridge

CR 140 over W Br Rum River is a concrete culvert carrying CR 140 over W Br Rum River in Mille Lacs County, Minnesota. It was built in 1976, so it is 49 years old, older 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 135 vehicles a day, projected to reach 135 by 2039. The structure is 63 ft (19.3 m) long. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCR 140
CrossesW Br Rum River
Location0.6 MI W of JCT Csah 18
RouteCounty Highway 140
Coordinates45.74975, -93.72349
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionSeptember 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating64.8 US tons
Inventory rating43.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHS 20
Structure length63 ft (19.3 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic135 (2016)
Projected traffic135 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 140 over W Br Rum River built?

It was built in 1976, making it 49 years old in 2025.

What condition is CR 140 over W Br Rum 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 September 2022.

How much traffic does CR 140 over W Br Rum River carry?

About 135 vehicles per day (2016 count).

How long is CR 140 over W Br Rum River?

The structure is 63 ft (19.3 m) long with a longest span of 12 ft (3.7 m).

Who owns CR 140 over W Br Rum River?

It is owned by the County Highway Agency.