US Bridges

CR 104 over Snake River

Fair

Marshall County, Minnesota · 0.9 MI S of JCT TH 1 · Structure no. 45520

Built
1976
49 years old
Condition
Fair
inspected November 2023
Type
Channel Beam
Prestressed Concrete
Length
93 ft
3 main spans
Daily traffic
155
2010 count
Owner
County
County Highway Agency

About this bridge

CR 104 over Snake River is a prestressed concrete channel beam carrying CR 104 over Snake River in Marshall County, Minnesota. It was built in 1976, so it is 49 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 155 vehicles a day, projected to reach 155 by 2039. The structure is 93 ft (28.4 m) long and 32 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesCR 104
CrossesSnake River
Location0.9 MI S of JCT TH 1
RouteCounty Highway 104
CountyMarshall County
StateMinnesota
Coordinates48.18108, -96.84755
Functional classRural Local

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74.2 US tons
Inventory rating44.5 US tons

Structure

Structure typeChannel Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length93 ft (28.4 m)
Longest span31 ft (9.4 m)
Deck width32 ft (9.8 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic155 (2010)
Projected traffic155 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 CR 104 over Snake River built?

It was built in 1976, making it 49 years old in 2025.

What condition is CR 104 over Snake 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 November 2023.

How much traffic does CR 104 over Snake River carry?

About 155 vehicles per day (2010 count).

How long is CR 104 over Snake River?

The structure is 93 ft (28.4 m) long with a longest span of 31 ft (9.4 m) and a deck 32 ft wide.

Who owns CR 104 over Snake River?

It is owned by the County Highway Agency.