US Bridges

Garden Valley RD over Johntown Creek

Poor

El Dorado County, California · 3.5 MI NE of S.R. 193 · Structure no. 25C0085

Built
1928
97 years old
Condition
Poor
inspected June 2024
Type
Girder and Floorbeam System
Concrete Continuous
Length
44 ft
2 main spans
Daily traffic
1,391
2012 count
Owner
County
County Highway Agency

About this bridge

Garden Valley RD over Johntown Creek is a concrete continuous girder and floorbeam system carrying Garden Valley RD over Johntown Creek in El Dorado County, California. It was built in 1928, 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 1,391 vehicles a day, roughly 10% of them trucks, projected to reach 3,184 by 2046. The structure is 44 ft (13.4 m) long and 23 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesGarden Valley RD
CrossesJohntown Creek
Location3.5 MI NE of S.R. 193
RouteCounty Highway 0
Coordinates38.85004, -120.85991
Functional classRural Minor Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating31.1 US tons
Inventory rating18.5 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length44 ft (13.4 m)
Longest span21 ft (6.4 m)
Deck width23 ft (6.9 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,391 (2012)
Projected traffic3,184 by 2046
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$355,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Garden Valley RD over Johntown Creek built?

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

What condition is Garden Valley RD over Johntown Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in June 2024.

How much traffic does Garden Valley RD over Johntown Creek carry?

About 1,391 vehicles per day (2012 count), of which roughly 10% are trucks.

How long is Garden Valley RD over Johntown Creek?

The structure is 44 ft (13.4 m) long with a longest span of 21 ft (6.4 m) and a deck 23 ft wide.

Who owns Garden Valley RD over Johntown Creek?

It is owned by the County Highway Agency.