US Bridges

South Fork Mill CR over South Fork Mill Creek

Good

Stevens County, Washington · 2.31 E JCT Aladdin Rd. · Structure no. 089164000000000

Built
2020
5 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
70 ft
1 main span
Daily traffic
80
2024 count
Owner
County
County Highway Agency

About this bridge

South Fork Mill CR over South Fork Mill Creek is a steel stringer/multi-beam or girder carrying South Fork Mill CR over South Fork Mill Creek in Stevens County, Washington. It was built in 2020, so it is 5 years old, younger than the Washington average of 49.8 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 80 vehicles a day, roughly 41% of them trucks, projected to reach 75 by 2040. The structure is 70 ft (21.3 m) long and 17 ft wide. If it were closed, the detour would be 13 mi (21 km).

CarriesSouth Fork Mill CR
CrossesSouth Fork Mill Creek
Location2.31 E JCT Aladdin Rd.
RouteCounty Highway 49540
Coordinates48.62125, -117.74219
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 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 geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating73.2 US tons
Inventory rating56.4 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHL 93
Structure length70 ft (21.3 m)
Longest span69 ft (21 m)
Deck width17 ft (5.3 m)
Roadway width16 ft (4.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic80 (2024)
Projected traffic75 by 2040
Trucks41%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13 mi (21 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$798,000 (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was South Fork Mill CR over South Fork Mill Creek built?

It was built in 2020, making it 5 years old in 2025.

What condition is South Fork Mill CR over South Fork Mill 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 September 2024.

How much traffic does South Fork Mill CR over South Fork Mill Creek carry?

About 80 vehicles per day (2024 count), of which roughly 41% are trucks.

How long is South Fork Mill CR over South Fork Mill Creek?

The structure is 70 ft (21.3 m) long with a longest span of 69 ft (21 m) and a deck 17 ft wide.

Who owns South Fork Mill CR over South Fork Mill Creek?

It is owned by the County Highway Agency.