US Bridges

Mn 16 over Root River Overflow

Good

Houston County, Minnesota · 0.6 MI N of JCT TH 44 · Structure no. 28014

Built
2002
23 years old
Condition
Good
inspected May 2024
Type
Slab
Concrete Continuous
Length
205 ft
5 main spans
Daily traffic
7,319
2022 count
Owner
State
State Highway Agency

About this bridge

Mn 16 over Root River Overflow is a concrete continuous slab carrying Mn 16 over Root River Overflow in Houston County, Minnesota. It was built in 2002, so it is 23 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 7,319 vehicles a day, roughly 8% of them trucks, projected to reach 8,100 by 2042. The structure is 205 ft (62.5 m) long and 51 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesMn 16
CrossesRoot River Overflow
Location0.6 MI N of JCT TH 44
RouteState Highway 16
Coordinates43.77213, -91.34212
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 protection8 Very GoodNo problems noted.
Last inspectionMay 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 geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating81.9 US tons
Inventory rating49.1 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 25 or greater
Structure length205 ft (62.5 m)
Longest span44 ft (13.4 m)
Deck width51 ft (15.6 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,319 (2022)
Projected traffic8,100 by 2042
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Mn 16 over Root River Overflow built?

It was built in 2002, making it 23 years old in 2025.

What condition is Mn 16 over Root River Overflow 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 May 2024.

How much traffic does Mn 16 over Root River Overflow carry?

About 7,319 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is Mn 16 over Root River Overflow?

The structure is 205 ft (62.5 m) long with a longest span of 44 ft (13.4 m) and a deck 51 ft wide.

Who owns Mn 16 over Root River Overflow?

It is owned by the State Highway Agency.