US Bridges

Csah 16 over West Two River

Fair

St. Louis County, Minnesota · 0.3 MI E of JCT Csah 25 · Structure no. 69563

Built
1985
40 years old
Condition
Fair
inspected October 2023
Type
Slab
Wood or Timber
Length
65 ft
3 main spans
Daily traffic
390
2019 count
Owner
County
County Highway Agency

About this bridge

Csah 16 over West Two River is a wood or timber slab carrying Csah 16 over West Two River in St. Louis County, Minnesota. It was built in 1985, so it is 40 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.

It carries about 390 vehicles a day, projected to reach 245 by 2039. The structure is 65 ft (19.9 m) long and 34 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesCsah 16
CrossesWest Two River
Location0.3 MI E of JCT Csah 25
RouteCounty Highway 16
CountySt. Louis County
StateMinnesota
Coordinates47.37217, -92.69975
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68 US tons
Inventory rating49.3 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans3
Design loadHS 20
Structure length65 ft (19.9 m)
Longest span22 ft (6.6 m)
Deck width34 ft (10.4 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic390 (2019)
Projected traffic245 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 16 over West Two River built?

It was built in 1985, making it 40 years old in 2025.

What condition is Csah 16 over West Two 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 2023.

How much traffic does Csah 16 over West Two River carry?

About 390 vehicles per day (2019 count).

How long is Csah 16 over West Two River?

The structure is 65 ft (19.9 m) long with a longest span of 22 ft (6.6 m) and a deck 34 ft wide.

Who owns Csah 16 over West Two River?

It is owned by the County Highway Agency.