US Bridges

Mary Avenue over Jewett Creek

Good

Tehama County, California · 0.7 MI N/O South Avenue · Structure no. 08C0355

Built
1995
30 years old
Condition
Good
inspected April 2021
Type
Slab
Concrete Continuous
Length
80 ft
2 main spans
Daily traffic
300
2010 count
Owner
County
County Highway Agency

About this bridge

Mary Avenue over Jewett Creek is a concrete continuous slab carrying Mary Avenue over Jewett Creek in Tehama County, California. It was built in 1995, so it is 30 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 300 vehicles a day, roughly 1% of them trucks, projected to reach 896 by 2043. The structure is 80 ft (24.4 m) long and 30 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesMary Avenue
CrossesJewett Creek
Location0.7 MI N/O South Avenue
RouteCounty Highway 0
Coordinates39.90709, -122.1506
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 protection8 Very GoodNo problems noted.
Last inspectionApril 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length80 ft (24.4 m)
Longest span40 ft (12.2 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2010)
Projected traffic896 by 2043
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 Mary Avenue over Jewett Creek built?

It was built in 1995, making it 30 years old in 2025.

What condition is Mary Avenue over Jewett 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 April 2021.

How much traffic does Mary Avenue over Jewett Creek carry?

About 300 vehicles per day (2010 count), of which roughly 1% are trucks.

How long is Mary Avenue over Jewett Creek?

The structure is 80 ft (24.4 m) long with a longest span of 40 ft (12.2 m) and a deck 30 ft wide.

Who owns Mary Avenue over Jewett Creek?

It is owned by the County Highway Agency.