US Bridges

US 395 over Mill Creek

Good

Stevens County, Washington · 2.7 N JCT SR 20 · Structure no. 0012312A0000000

Built
1983
42 years old
Condition
Good
inspected August 2024
Type
Channel Beam
Prestressed Concrete
Length
104 ft
3 main spans
Daily traffic
8,792
2023 count
Owner
State
State Highway Agency

About this bridge

US 395 over Mill Creek is a prestressed concrete channel beam carrying US 395 over Mill Creek in Stevens County, Washington. It was built in 1983, so it is 42 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 8,792 vehicles a day, roughly 12% of them trucks, projected to reach 10,689 by 2039. The structure is 104 ft (31.7 m) long and 45 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesUS 395
CrossesMill Creek
Location2.7 N JCT SR 20
RouteU.S. Route 395
Coordinates48.57289, -117.94522
Functional classRural Principal Arterial - Other

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 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
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating37.5 US tons
Inventory rating28.9 US tons

Structure

Structure typeChannel Beam
MaterialPrestressed Concrete
DeckOther
Main spans3
Design loadHS 20 + Mod
Structure length104 ft (31.7 m)
Longest span33 ft (10.1 m)
Deck width45 ft (13.8 m)
Roadway width42 ft (12.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,792 (2023)
Projected traffic10,689 by 2039
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$2 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was US 395 over Mill Creek built?

It was built in 1983, making it 42 years old in 2025.

What condition is US 395 over 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 August 2024.

How much traffic does US 395 over Mill Creek carry?

About 8,792 vehicles per day (2023 count), of which roughly 12% are trucks.

How long is US 395 over Mill Creek?

The structure is 104 ft (31.7 m) long with a longest span of 33 ft (10.1 m) and a deck 45 ft wide.

Who owns US 395 over Mill Creek?

It is owned by the State Highway Agency.