US Bridges

2131 over Portage Creek

Good

Cass County, Minnesota · No Data Entered · Structure no. 090305000022093

Built
2015
10 years old, rebuilt 2020
Condition
Good
inspected March 2024
Type
Slab
Wood or Timber
Length
36 ft
1 main span
Daily traffic
60
2015 count
Owner
Federal
U.S. Forest Service

About this bridge

2131 over Portage Creek is a wood or timber slab carrying 2131 over Portage Creek in Cass County, Minnesota. It was built in 2015 and reconstructed in 2020, 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 60 vehicles a day, projected to reach 90 by 2045. The structure is 36 ft (11 m) long and 28 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

Carries2131
CrossesPortage Creek
LocationNo Data Entered
RouteCounty Highway 2131
Coordinates47.31603, -94.30091
Functional classRural Local

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 protection9 ExcellentNo problems noted.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating35.1 US tons
Inventory rating26.8 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadHL 93
Structure length36 ft (11 m)
Longest span35 ft (10.7 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic60 (2015)
Projected traffic90 by 2045
Trucks—
Lanes on structure2
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerU.S. Forest Service
Maintained byU.S. Forest Service
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 2131 over Portage Creek built?

It was built in 2015, making it 10 years old in 2025. It was reconstructed in 2020.

What condition is 2131 over Portage Creek 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 March 2024.

How much traffic does 2131 over Portage Creek carry?

About 60 vehicles per day (2015 count).

How long is 2131 over Portage Creek?

The structure is 36 ft (11 m) long with a longest span of 35 ft (10.7 m) and a deck 28 ft wide.

Who owns 2131 over Portage Creek?

It is owned by the U.S. Forest Service.