US Bridges

Csah 35 over Marsh River

FairPosted for load

Norman County, Minnesota · 0.3 MI N of JCT TH 9 · Structure no. 92976

Built
1973
52 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
23 ft
1 main span
Daily traffic
680
2012 count
Owner
County
County Highway Agency

About this bridge

Csah 35 over Marsh River is a steel stringer/multi-beam or girder carrying Csah 35 over Marsh River in Norman County, Minnesota. It was built in 1973, so it is 52 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 680 vehicles a day, projected to reach 680 by 2039. The structure is 23 ft (7 m) long and 31 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCsah 35
CrossesMarsh River
Location0.3 MI N of JCT TH 9
RouteCounty Highway 35
Coordinates47.28684, -96.50037
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating30.2 US tons
Inventory rating18 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length23 ft (7 m)
Longest span20 ft (6.2 m)
Deck width31 ft (9.6 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic680 (2012)
Projected traffic680 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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$79 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Csah 35 over Marsh River built?

It was built in 1973, making it 52 years old in 2025.

What condition is Csah 35 over Marsh 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 October 2024.

How much traffic does Csah 35 over Marsh River carry?

About 680 vehicles per day (2012 count).

How long is Csah 35 over Marsh River?

The structure is 23 ft (7 m) long with a longest span of 20 ft (6.2 m) and a deck 31 ft wide.

Who owns Csah 35 over Marsh River?

It is owned by the County Highway Agency.