US Bridges

Msas 104 over Ottertail River

Good

Otter Tail County, Minnesota · 0.1 MI S of Lincoln Ave · Structure no. 56532

Built
2002
23 years old
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
126 ft
1 main span
Daily traffic
11,700
2019 count
Owner
City
City or Municipal Highway Agency

About this bridge

Msas 104 over Ottertail River is a prestressed concrete stringer/multi-beam or girder carrying Msas 104 over Ottertail River in Otter Tail 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 11,700 vehicles a day, projected to reach 12,200 by 2039. The structure is 126 ft (38.4 m) long and 82 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesMsas 104
CrossesOttertail River
Location0.1 MI S of Lincoln Ave
RouteCity Street 104
Coordinates46.28205, -96.0778
Functional classUrban 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 inspectionNovember 2023
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 geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating108.4 US tons
Inventory rating55.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length126 ft (38.4 m)
Longest span124 ft (37.9 m)
Deck width82 ft (25.1 m)
Roadway width64 ft (19.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,700 (2019)
Projected traffic12,200 by 2039
Trucks—
Lanes on structure4
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 104 over Ottertail River built?

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

What condition is Msas 104 over Ottertail 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 November 2023.

How much traffic does Msas 104 over Ottertail River carry?

About 11,700 vehicles per day (2019 count).

How long is Msas 104 over Ottertail River?

The structure is 126 ft (38.4 m) long with a longest span of 124 ft (37.9 m) and a deck 82 ft wide.

Who owns Msas 104 over Ottertail River?

It is owned by the City or Municipal Highway Agency.