US Bridges

Folsom RD over Mill Creek

Good

Linn County, Oregon · 007 MI N CR 7 · Structure no. 23903 065100065

Built
2023
2 years old
Condition
Good
inspected July 2023
Type
Slab
Prestressed Concrete
Length
65 ft
1 main span
Daily traffic
400
2021 count
Owner
County
County Highway Agency

About this bridge

Folsom RD over Mill Creek is a prestressed concrete slab carrying Folsom RD over Mill Creek in Linn County, Oregon. It was built in 2023, so it is 2 years old, younger than the Oregon average of 49.9 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 400 vehicles a day, roughly 12% of them trucks, projected to reach 410 by 2041. The structure is 65 ft (19.7 m) long and 28 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesFolsom RD
CrossesMill Creek
Location007 MI N CR 7
RouteCounty Highway C0651
StateOregon
Coordinates44.64492, -122.95476
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 protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.4 US tons
Inventory rating38.9 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHL 93
Structure length65 ft (19.7 m)
Longest span64 ft (19.4 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic400 (2021)
Projected traffic410 by 2041
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 Folsom RD over Mill Creek built?

It was built in 2023, making it 2 years old in 2025.

What condition is Folsom RD 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 July 2023.

How much traffic does Folsom RD over Mill Creek carry?

About 400 vehicles per day (2021 count), of which roughly 12% are trucks.

How long is Folsom RD over Mill Creek?

The structure is 65 ft (19.7 m) long with a longest span of 64 ft (19.4 m) and a deck 28 ft wide.

Who owns Folsom RD over Mill Creek?

It is owned by the County Highway Agency.