US Bridges

Powerline Road N. over Muddy Creek

Good

Linn County, Oregon · 002 North HWY 99E · Structure no. 23974 218 00015

Built
2020
5 years old
Condition
Good
inspected May 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
96 ft
1 main span
Daily traffic
350
2021 count
Owner
County
County Highway Agency

About this bridge

Powerline Road N. over Muddy Creek is a prestressed concrete box beam or girders - multiple carrying Powerline Road N. over Muddy Creek in Linn County, Oregon. It was built in 2020, so it is 5 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 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 350 vehicles a day, roughly 10% of them trucks, projected to reach 489 by 2041. The structure is 96 ft (29.3 m) long and 32 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesPowerline Road N.
CrossesMuddy Creek
Location002 North HWY 99E
RouteCounty Highway C0218
StateOregon
Coordinates44.31224, -123.12856
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.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating46.1 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHL 93
Structure length96 ft (29.3 m)
Longest span96 ft (29.3 m)
Deck width32 ft (9.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic350 (2021)
Projected traffic489 by 2041
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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 Powerline Road N. over Muddy Creek built?

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

What condition is Powerline Road N. over Muddy 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 May 2023.

How much traffic does Powerline Road N. over Muddy Creek carry?

About 350 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is Powerline Road N. over Muddy Creek?

The structure is 96 ft (29.3 m) long with a longest span of 96 ft (29.3 m) and a deck 32 ft wide.

Who owns Powerline Road N. over Muddy Creek?

It is owned by the County Highway Agency.