US Bridges

Csah 116 over Moose River

Good

St. Louis County, Minnesota · 1.2 MI W of JCT CR 670 · Structure no. 69A28

Built
2015
10 years old
Condition
Good
inspected June 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
60 ft
1 main span
Daily traffic
325
2019 count
Owner
County
County Highway Agency

About this bridge

Csah 116 over Moose River is a prestressed concrete stringer/multi-beam or girder carrying Csah 116 over Moose River in St. Louis County, Minnesota. It was built in 2015, so it is 10 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 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 325 vehicles a day, projected to reach 240 by 2039. The structure is 60 ft (18.2 m) long and 35 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesCsah 116
CrossesMoose River
Location1.2 MI W of JCT CR 670
RouteCounty Highway 116
Coordinates48.10986, -92.09649
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 inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65 US tons
Inventory rating49.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length60 ft (18.2 m)
Longest span57 ft (17.3 m)
Deck width35 ft (10.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic325 (2019)
Projected traffic240 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 116 over Moose River built?

It was built in 2015, making it 10 years old in 2025.

What condition is Csah 116 over Moose 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 June 2023.

How much traffic does Csah 116 over Moose River carry?

About 325 vehicles per day (2019 count).

How long is Csah 116 over Moose River?

The structure is 60 ft (18.2 m) long with a longest span of 57 ft (17.3 m) and a deck 35 ft wide.

Who owns Csah 116 over Moose River?

It is owned by the County Highway Agency.