US Bridges

Csah 29 over W Br Rum River

Good

Mille Lacs County, Minnesota · 0.1 MI S of JCT TH 95 · Structure no. 48533

Built
2010
15 years old
Condition
Good
inspected July 2024
Type
Slab
Concrete Continuous
Length
167 ft
3 main spans
Daily traffic
10,400
2020 count
Owner
County
County Highway Agency

About this bridge

Csah 29 over W Br Rum River is a concrete continuous slab carrying Csah 29 over W Br Rum River in Mille Lacs County, Minnesota. It was built in 2010, so it is 15 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 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 10,400 vehicles a day, projected to reach 11,700 by 2040. The structure is 167 ft (50.8 m) long and 80 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCsah 29
CrossesW Br Rum River
Location0.1 MI S of JCT TH 95
RouteCounty Highway 29
Coordinates45.57341, -93.58006
Functional classRural Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.2 US tons
Inventory rating40.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length167 ft (50.8 m)
Longest span61 ft (18.6 m)
Deck width80 ft (24.5 m)
Roadway width62 ft (18.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,400 (2020)
Projected traffic11,700 by 2040
Trucks—
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.1 mi (5 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 29 over W Br Rum River built?

It was built in 2010, making it 15 years old in 2025.

What condition is Csah 29 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 July 2024.

How much traffic does Csah 29 over W Br Rum River carry?

About 10,400 vehicles per day (2020 count).

How long is Csah 29 over W Br Rum River?

The structure is 167 ft (50.8 m) long with a longest span of 61 ft (18.6 m) and a deck 80 ft wide.

Who owns Csah 29 over W Br Rum River?

It is owned by the County Highway Agency.