US Bridges

Johnson Road over Bear Creek

Good

San Joaquin County, California · .1 MI S of SR 12 · Structure no. 29C0273

Built
1982
43 years old
Condition
Good
inspected January 2022
Type
Slab
Concrete Continuous
Length
69 ft
3 main spans
Daily traffic
68
2013 count
Owner
County
County Highway Agency

About this bridge

Johnson Road over Bear Creek is a concrete continuous slab carrying Johnson Road over Bear Creek in San Joaquin County, California. It was built in 1982, so it is 43 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 68 vehicles a day, projected to reach 80 by 2044. The structure is 69 ft (21 m) long and 25 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesJohnson Road
CrossesBear Creek
Location.1 MI S of SR 12
RouteCounty Highway 0
Coordinates38.19997, -121.04613
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 inspectionJanuary 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length69 ft (21 m)
Longest span26 ft (7.9 m)
Deck width25 ft (7.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic68 (2013)
Projected traffic80 by 2044
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 Johnson Road over Bear Creek built?

It was built in 1982, making it 43 years old in 2025.

What condition is Johnson Road over Bear 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 January 2022.

How much traffic does Johnson Road over Bear Creek carry?

About 68 vehicles per day (2013 count).

How long is Johnson Road over Bear Creek?

The structure is 69 ft (21 m) long with a longest span of 26 ft (7.9 m) and a deck 25 ft wide.

Who owns Johnson Road over Bear Creek?

It is owned by the County Highway Agency.