US Bridges

Msas 116 over Otter Tail River

Poor

Otter Tail County, Minnesota · 0.3 MI N of JCT Vernon · Structure no. 56512

Built
1908
117 years old
Condition
Poor
inspected October 2024
Type
Arch - Deck
Concrete
Length
113 ft
1 main span
Daily traffic
1,350
2019 count
Owner
City
City or Municipal Highway Agency

About this bridge

Msas 116 over Otter Tail River is a concrete arch - deck carrying Msas 116 over Otter Tail River in Otter Tail County, Minnesota. It was built in 1908, so it is 117 years old, older than the Minnesota average of 38.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 1,350 vehicles a day, projected to reach 1,550 by 2039. The structure is 113 ft (34.3 m) long and 75 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesMsas 116
CrossesOtter Tail River
Location0.3 MI N of JCT Vernon
RouteCity Street 116
Coordinates46.28214, -96.07421
Functional classUrban Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations on dry land well above flood water elevations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating34.6 US tons
Inventory rating25.9 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans1
Design loadH 20
Structure length113 ft (34.3 m)
Longest span90 ft (27.4 m)
Deck width75 ft (22.8 m)
Roadway width51 ft (15.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,350 (2019)
Projected traffic1,550 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Msas 116 over Otter Tail River built?

It was built in 1908, making it 117 years old in 2025.

What condition is Msas 116 over Otter Tail River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in October 2024.

How much traffic does Msas 116 over Otter Tail River carry?

About 1,350 vehicles per day (2019 count).

How long is Msas 116 over Otter Tail River?

The structure is 113 ft (34.3 m) long with a longest span of 90 ft (27.4 m) and a deck 75 ft wide.

Who owns Msas 116 over Otter Tail River?

It is owned by the City or Municipal Highway Agency.