US Bridges

Csah 97 over Embarrass River

Good

St. Louis County, Minnesota · 0.5 MI W of JCT CSAH4 · Structure no. 69A12

Built
2013
12 years old
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
87 ft
1 main span
Daily traffic
435
2019 count
Owner
County
County Highway Agency

About this bridge

Csah 97 over Embarrass River is a prestressed concrete stringer/multi-beam or girder carrying Csah 97 over Embarrass River in St. Louis County, Minnesota. It was built in 2013, so it is 12 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 435 vehicles a day, projected to reach 370 by 2039. The structure is 87 ft (26.5 m) long and 35 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesCsah 97
CrossesEmbarrass River
Location0.5 MI W of JCT CSAH4
RouteCounty Highway 97
CountySt. Louis County
StateMinnesota
Coordinates47.47697, -92.35563
Functional classRural Minor 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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating54.2 US tons
Inventory rating41.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length87 ft (26.5 m)
Longest span85 ft (25.9 m)
Deck width35 ft (10.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic435 (2019)
Projected traffic370 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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$1,000 million (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Csah 97 over Embarrass River built?

It was built in 2013, making it 12 years old in 2025.

What condition is Csah 97 over Embarrass 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 August 2024.

How much traffic does Csah 97 over Embarrass River carry?

About 435 vehicles per day (2019 count).

How long is Csah 97 over Embarrass River?

The structure is 87 ft (26.5 m) long with a longest span of 85 ft (25.9 m) and a deck 35 ft wide.

Who owns Csah 97 over Embarrass River?

It is owned by the County Highway Agency.