US Bridges

Jibboom ST over North Fork Dry Creek

Good

Amador County, California · 200 N/O Fiddlestown RD · Structure no. 26C0039

Built
1987
38 years old
Condition
Good
inspected April 2024
Type
Slab
Concrete
Length
41 ft
1 main span
Daily traffic
540
2014 count
Owner
County
County Highway Agency

About this bridge

Jibboom ST over North Fork Dry Creek is a concrete slab carrying Jibboom ST over North Fork Dry Creek in Amador County, California. It was built in 1987, so it is 38 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 540 vehicles a day, roughly 3% of them trucks, projected to reach 775 by 2042. The structure is 41 ft (12.4 m) long and 30 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesJibboom ST
CrossesNorth Fork Dry Creek
Location200 N/O Fiddlestown RD
RouteCounty Highway 0
Coordinates38.50495, -120.76122
Functional classRural 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 inspectionApril 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length41 ft (12.4 m)
Longest span36 ft (10.9 m)
Deck width30 ft (9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic540 (2014)
Projected traffic775 by 2042
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 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 Jibboom ST over North Fork Dry Creek built?

It was built in 1987, making it 38 years old in 2025.

What condition is Jibboom ST over North Fork 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 April 2024.

How much traffic does Jibboom ST over North Fork Dry Creek carry?

About 540 vehicles per day (2014 count), of which roughly 3% are trucks.

How long is Jibboom ST over North Fork Dry Creek?

The structure is 41 ft (12.4 m) long with a longest span of 36 ft (10.9 m) and a deck 30 ft wide.

Who owns Jibboom ST over North Fork Dry Creek?

It is owned by the County Highway Agency.