US Bridges

Riverside Ave over Dry Creek

Good

Placer County, California · 0.6 MI N Cirby Ave · Structure no. 19C0187

Built
1928
97 years old, rebuilt 1979
Condition
Good
inspected June 2024
Type
Tee Beam
Concrete
Length
88 ft
2 main spans
Daily traffic
18,000
2010 count
Owner
City
City or Municipal Highway Agency

About this bridge

Riverside Ave over Dry Creek is a concrete tee beam carrying Riverside Ave over Dry Creek in Placer County, California. It was built in 1928 and reconstructed in 1979, so it is 97 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 18,000 vehicles a day, roughly 2% of them trucks, projected to reach 33,061 by 2042. The structure is 88 ft (26.8 m) long and 76 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesRiverside Ave
CrossesDry Creek
Location0.6 MI N Cirby Ave
RouteCity Street 0
Coordinates38.73356, -121.2904
Functional classUrban 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 protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45.3 US tons
Inventory rating31.7 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length88 ft (26.8 m)
Longest span44 ft (13.4 m)
Deck width76 ft (23.2 m)
Roadway width64 ft (19.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,000 (2010)
Projected traffic33,061 by 2042
Trucks2%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Riverside Ave over Dry Creek built?

It was built in 1928, making it 97 years old in 2025. It was reconstructed in 1979.

What condition is Riverside Ave over Dry 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 June 2024.

How much traffic does Riverside Ave over Dry Creek carry?

About 18,000 vehicles per day (2010 count), of which roughly 2% are trucks.

How long is Riverside Ave over Dry Creek?

The structure is 88 ft (26.8 m) long with a longest span of 44 ft (13.4 m) and a deck 76 ft wide.

Who owns Riverside Ave over Dry Creek?

It is owned by the City or Municipal Highway Agency.