US Bridges

Mn 16 over S Fk Root River

Fair

Houston County, Minnesota · 0.5 MI E of E JCT TH 76 · Structure no. 28008

Built
1986
39 years old
Condition
Fair
inspected August 2024
Type
Slab
Concrete Continuous
Length
87 ft
3 main spans
Daily traffic
1,564
2022 count
Owner
State
State Highway Agency

About this bridge

Mn 16 over S Fk Root River is a concrete continuous slab carrying Mn 16 over S Fk Root River in Houston County, Minnesota. It was built in 1986, so it is 39 years old, older 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 1,564 vehicles a day, roughly 7% of them trucks, projected to reach 2,050 by 2042. The structure is 87 ft (26.5 m) long and 46 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

Location

Open in Google Maps
CarriesMn 16
CrossesS Fk Root River
Location0.5 MI E of E JCT TH 76
RouteState Highway 16
CountyHouston County
StateMinnesota
Coordinates43.76474, -91.54135
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
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 geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating85.6 US tons
Inventory rating51.3 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length87 ft (26.5 m)
Longest span32 ft (9.8 m)
Deck width46 ft (14.1 m)
Roadway width43 ft (13 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,564 (2022)
Projected traffic2,050 by 2042
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 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 S Fk Root River built?

It was built in 1986, making it 39 years old in 2025.

What condition is Mn 16 over S Fk Root 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 August 2024.

How much traffic does Mn 16 over S Fk Root River carry?

About 1,564 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is Mn 16 over S Fk Root River?

The structure is 87 ft (26.5 m) long with a longest span of 32 ft (9.8 m) and a deck 46 ft wide.

Who owns Mn 16 over S Fk Root River?

It is owned by the State Highway Agency.