US Bridges

Tong Road over Carson Creek

Good

El Dorado County, California · 0.2 MI E/O Silva Vly Pkwy · Structure no. 25C0143

Built
2014
11 years old
Condition
Good
inspected June 2022
Type
Arch - Deck
Concrete
Length
51 ft
1 main span
Daily traffic
400
2016 count
Owner
County
County Highway Agency

About this bridge

Tong Road over Carson Creek is a concrete arch - deck carrying Tong Road over Carson Creek in El Dorado County, California. It was built in 2014, so it is 11 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 400 vehicles a day, roughly 1% of them trucks, projected to reach 513 by 2044. The structure is 51 ft (15.4 m) long. If it were closed, the detour would be 123.7 mi (199 km).

CarriesTong Road
CrossesCarson Creek
Location0.2 MI E/O Silva Vly Pkwy
RouteCounty Highway 0
Coordinates38.66002, -121.05213
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
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length51 ft (15.4 m)
Longest span48 ft (14.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic400 (2016)
Projected traffic513 by 2044
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 Tong Road over Carson Creek built?

It was built in 2014, making it 11 years old in 2025.

What condition is Tong Road over Carson 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 2022.

How much traffic does Tong Road over Carson Creek carry?

About 400 vehicles per day (2016 count), of which roughly 1% are trucks.

How long is Tong Road over Carson Creek?

The structure is 51 ft (15.4 m) long with a longest span of 48 ft (14.5 m).

Who owns Tong Road over Carson Creek?

It is owned by the County Highway Agency.