US Bridges

State Route 45 over Stony Creek

Good

Glenn County, California · 03-GLE-045-R20.66 · Structure no. 11 0038

Built
1974
51 years old
Condition
Good
inspected May 2024
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
620 ft
8 main spans
Daily traffic
2,300
2017 count
Owner
State
State Highway Agency

About this bridge

State Route 45 over Stony Creek is a concrete continuous box beam or girders - multiple carrying State Route 45 over Stony Creek in Glenn County, California. It was built in 1974, so it is 51 years old, younger 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 2,300 vehicles a day, projected to reach 2,866 by 2045. The structure is 620 ft (189 m) long and 42 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

CarriesState Route 45
CrossesStony Creek
Location03-GLE-045-R20.66
RouteState Highway 45
Coordinates39.70948, -122.00392
Functional classRural Minor Arterial

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 inspectionMay 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.5 US tons
Inventory rating44 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans8
Design loadHS 20
Structure length620 ft (189 m)
Longest span82 ft (25 m)
Deck width42 ft (12.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,300 (2017)
Projected traffic2,866 by 2045
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 State Route 45 over Stony Creek built?

It was built in 1974, making it 51 years old in 2025.

What condition is State Route 45 over Stony 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 2024.

How much traffic does State Route 45 over Stony Creek carry?

About 2,300 vehicles per day (2017 count).

How long is State Route 45 over Stony Creek?

The structure is 620 ft (189 m) long with a longest span of 82 ft (25 m) and a deck 42 ft wide.

Who owns State Route 45 over Stony Creek?

It is owned by the State Highway Agency.