US Bridges

Powerline Road over Coon Creek

Good

Sutter County, California · 0.3 MI South of SR99 · Structure no. 18C0089

Built
1925
100 years old
Condition
Good
inspected September 2024
Type
Girder and Floorbeam System
Concrete
Length
42 ft
1 main span
Daily traffic
122
2015 count
Owner
County
County Highway Agency

About this bridge

Powerline Road over Coon Creek is a concrete girder and floorbeam system carrying Powerline Road over Coon Creek in Sutter County, California. It was built in 1925, so it is 100 years old, older than the California average of 54.8 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 122 vehicles a day, roughly 6% of them trucks, projected to reach 276 by 2046. The structure is 42 ft (12.8 m) long and 23 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesPowerline Road
CrossesCoon Creek
Location0.3 MI South of SR99
RouteCounty Highway 0
Coordinates38.88006, -121.57078
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating27.4 US tons
Inventory rating16.4 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length42 ft (12.8 m)
Longest span41 ft (12.4 m)
Deck width23 ft (7.1 m)
Roadway width19 ft (5.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic122 (2015)
Projected traffic276 by 2046
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 over Coon Creek built?

It was built in 1925, making it 100 years old in 2025.

What condition is Powerline Road over Coon 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 Powerline Road over Coon Creek carry?

About 122 vehicles per day (2015 count), of which roughly 6% are trucks.

How long is Powerline Road over Coon Creek?

The structure is 42 ft (12.8 m) long with a longest span of 41 ft (12.4 m) and a deck 23 ft wide.

Who owns Powerline Road over Coon Creek?

It is owned by the County Highway Agency.