US Bridges

Csah 3 over Marsh River

Good

Norman County, Minnesota · 0.5 MI W of JCT TH 75 · Structure no. 54533

Built
1981
44 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
288 ft
4 main spans
Daily traffic
202
2021 count
Owner
County
County Highway Agency

About this bridge

Csah 3 over Marsh River is a steel continuous stringer/multi-beam or girder carrying Csah 3 over Marsh River in Norman County, Minnesota. It was built in 1981, so it is 44 years old, older 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 202 vehicles a day, projected to reach 255 by 2041. The structure is 288 ft (87.8 m) long and 39 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCsah 3
CrossesMarsh River
Location0.5 MI W of JCT TH 75
RouteCounty Highway 3
Coordinates47.45544, -96.82856
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating69.4 US tons
Inventory rating41.8 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length288 ft (87.8 m)
Longest span80 ft (24.4 m)
Deck width39 ft (12 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic202 (2021)
Projected traffic255 by 2041
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 Csah 3 over Marsh River built?

It was built in 1981, making it 44 years old in 2025.

What condition is Csah 3 over Marsh 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 2023.

How much traffic does Csah 3 over Marsh River carry?

About 202 vehicles per day (2021 count).

How long is Csah 3 over Marsh River?

The structure is 288 ft (87.8 m) long with a longest span of 80 ft (24.4 m) and a deck 39 ft wide.

Who owns Csah 3 over Marsh River?

It is owned by the County Highway Agency.