US Bridges

M 10 over Snake River

Good

Marshall County, Minnesota · 0.3 MI N of JCT TH 1 · Structure no. 45536

Built
1987
38 years old
Condition
Good
inspected November 2023
Type
Tee Beam
Prestressed Concrete
Length
106 ft
3 main spans
Daily traffic
90
1994 count
Owner
City
City or Municipal Highway Agency

About this bridge

M 10 over Snake River is a prestressed concrete tee beam carrying M 10 over Snake River in Marshall County, Minnesota. It was built in 1987, so it is 38 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 90 vehicles a day, projected to reach 90 by 2029. The structure is 106 ft (32.2 m) long and 50 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesM 10
CrossesSnake River
Location0.3 MI N of JCT TH 1
RouteCity Street 10
Coordinates48.19876, -96.77979
Functional classRural Local

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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.4 US tons
Inventory rating37.8 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length106 ft (32.2 m)
Longest span35 ft (10.7 m)
Deck width50 ft (15.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic90 (1994)
Projected traffic90 by 2029
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 M 10 over Snake River built?

It was built in 1987, making it 38 years old in 2025.

What condition is M 10 over Snake 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 M 10 over Snake River carry?

About 90 vehicles per day (1994 count).

How long is M 10 over Snake River?

The structure is 106 ft (32.2 m) long with a longest span of 35 ft (10.7 m) and a deck 50 ft wide.

Who owns M 10 over Snake River?

It is owned by the City or Municipal Highway Agency.