US Bridges

Erickson RD over Benewah Creek

FairPosted for load

Benewah County, Idaho · 3.7 N. 3.1 E. Benewah · Structure no. 000000000037845

Built
1970
55 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
46 ft
3 main spans
Daily traffic
50
2023 count
Owner
County
County Highway Agency

About this bridge

Erickson RD over Benewah Creek is a steel continuous stringer/multi-beam or girder carrying Erickson RD over Benewah Creek in Benewah County, Idaho. It was built in 1970, so it is 55 years old, older than the Idaho average of 45.3 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. Its operating status is: posted for load restriction.

It carries about 50 vehicles a day, roughly 50% of them trucks, projected to reach 75 by 2040. The structure is 46 ft (14 m) long and 12 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesErickson RD
CrossesBenewah Creek
Location3.7 N. 3.1 E. Benewah
RouteCounty Highway 0
StateIdaho
Coordinates47.2815, -116.72222
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating23 US tons
Inventory rating17 US tons

Structure

MaterialSteel Continuous
DeckWood or timber
Main spans3
Design loadUnknown
Structure length46 ft (14 m)
Longest span31 ft (9.4 m)
Deck width12 ft (3.8 m)
Roadway width12 ft (3.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2023)
Projected traffic75 by 2040
Trucks50%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$464,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Erickson RD over Benewah Creek built?

It was built in 1970, making it 55 years old in 2025.

What condition is Erickson RD over Benewah Creek 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 July 2023.

How much traffic does Erickson RD over Benewah Creek carry?

About 50 vehicles per day (2023 count), of which roughly 50% are trucks.

How long is Erickson RD over Benewah Creek?

The structure is 46 ft (14 m) long with a longest span of 31 ft (9.4 m) and a deck 12 ft wide.

Who owns Erickson RD over Benewah Creek?

It is owned by the County Highway Agency.