US Bridges

Msas 109 over Otter Tail River

Good

Otter Tail County, Minnesota · 0.1 MI E JCT Csah 1 · Structure no. 56533

Built
2005
20 years old
Condition
Good
inspected October 2024
Type
Slab
Concrete Continuous
Length
125 ft
3 main spans
Daily traffic
5,100
2015 count
Owner
City
City or Municipal Highway Agency

About this bridge

Msas 109 over Otter Tail River is a concrete continuous slab carrying Msas 109 over Otter Tail River in Otter Tail County, Minnesota. It was built in 2005, so it is 20 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 5,100 vehicles a day, projected to reach 5,100 by 2039. The structure is 125 ft (38.1 m) long and 51 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesMsas 109
CrossesOtter Tail River
Location0.1 MI E JCT Csah 1
RouteCity Street 109
Coordinates46.2833, -96.06991
Functional classUrban Collector

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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating77.2 US tons
Inventory rating46.3 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length125 ft (38.1 m)
Longest span48 ft (14.6 m)
Deck width51 ft (15.4 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,100 (2015)
Projected traffic5,100 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$1,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Msas 109 over Otter Tail River built?

It was built in 2005, making it 20 years old in 2025.

What condition is Msas 109 over Otter Tail 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 October 2024.

How much traffic does Msas 109 over Otter Tail River carry?

About 5,100 vehicles per day (2015 count).

How long is Msas 109 over Otter Tail River?

The structure is 125 ft (38.1 m) long with a longest span of 48 ft (14.6 m) and a deck 51 ft wide.

Who owns Msas 109 over Otter Tail River?

It is owned by the City or Municipal Highway Agency.