US Bridges

Dewig Ave over Truckee Creek

Fair

Tehama County, California · 0.2 MI N Hamilton Ave · Structure no. 08C0339

Built
1991
34 years old
Condition
Fair
inspected February 2024
Type
Girder and Floorbeam System
Steel
Length
45 ft
1 main span
Daily traffic
100
2006 count
Owner
County
County Highway Agency

About this bridge

Dewig Ave over Truckee Creek is a steel girder and floorbeam system carrying Dewig Ave over Truckee Creek in Tehama County, California. It was built in 1991, so it is 34 years old, younger than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 100 vehicles a day, roughly 2% of them trucks, projected to reach 219 by 2046. The structure is 45 ft (13.6 m) long and 29 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesDewig Ave
CrossesTruckee Creek
Location0.2 MI N Hamilton Ave
RouteCounty Highway 0
Coordinates40.01702, -122.1632
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

MaterialSteel
DeckClosed grating
Main spans1
Design loadHS 20 + Mod
Structure length45 ft (13.6 m)
Longest span43 ft (13.1 m)
Deck width29 ft (8.8 m)
Roadway width27 ft (8.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2006)
Projected traffic219 by 2046
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Dewig Ave over Truckee Creek built?

It was built in 1991, making it 34 years old in 2025.

What condition is Dewig Ave over Truckee Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in February 2024.

How much traffic does Dewig Ave over Truckee Creek carry?

About 100 vehicles per day (2006 count), of which roughly 2% are trucks.

How long is Dewig Ave over Truckee Creek?

The structure is 45 ft (13.6 m) long with a longest span of 43 ft (13.1 m) and a deck 29 ft wide.

Who owns Dewig Ave over Truckee Creek?

It is owned by the County Highway Agency.