US Bridges

Garden Valley Road over Irish Creek

Good

El Dorado County, California · 1.5 MI NW of S.R. 193. · Structure no. 25C0084

Built
1997
28 years old
Condition
Good
inspected June 2024
Type
Slab
Prestressed Concrete
Length
24 ft
1 main span
Daily traffic
485
2012 count
Owner
County
County Highway Agency

About this bridge

Garden Valley Road over Irish Creek is a prestressed concrete slab carrying Garden Valley Road over Irish Creek in El Dorado County, California. It was built in 1997, so it is 28 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 485 vehicles a day, roughly 3% of them trucks, projected to reach 1,020 by 2042. The structure is 24 ft (7.3 m) long and 31 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesGarden Valley Road
CrossesIrish Creek
Location1.5 MI NW of S.R. 193.
RouteCounty Highway 0
Coordinates38.82708, -120.84137
Functional classRural Minor Collector

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 inspectionJune 2024
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 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 typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length24 ft (7.3 m)
Longest span20 ft (6.1 m)
Deck width31 ft (9.5 m)
Roadway width31 ft (9.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic485 (2012)
Projected traffic1,020 by 2042
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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 Garden Valley Road over Irish Creek built?

It was built in 1997, making it 28 years old in 2025.

What condition is Garden Valley Road over Irish 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 Garden Valley Road over Irish Creek carry?

About 485 vehicles per day (2012 count), of which roughly 3% are trucks.

How long is Garden Valley Road over Irish Creek?

The structure is 24 ft (7.3 m) long with a longest span of 20 ft (6.1 m) and a deck 31 ft wide.

Who owns Garden Valley Road over Irish Creek?

It is owned by the County Highway Agency.