US Bridges

Lower Sacto RD over Bear Creek

Good

San Joaquin County, California · 0.5 MI N/O Royal Oaks DR · Structure no. 29C0135

Built
1963
62 years old
Condition
Good
inspected September 2021
Type
Slab
Concrete Continuous
Length
129 ft
5 main spans
Daily traffic
12,932
2015 count
Owner
City
City or Municipal Highway Agency

About this bridge

Lower Sacto RD over Bear Creek is a concrete continuous slab carrying Lower Sacto RD over Bear Creek in San Joaquin County, California. It was built in 1963, so it is 62 years old, older 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 12,932 vehicles a day, roughly 3% of them trucks, projected to reach 8,550 by 2038. The structure is 129 ft (39.3 m) long and 32 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesLower Sacto RD
CrossesBear Creek
Location0.5 MI N/O Royal Oaks DR
RouteCounty Highway 0
Coordinates38.04273, -121.32217
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating74.6 US tons
Inventory rating45 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length129 ft (39.3 m)
Longest span28 ft (8.5 m)
Deck width32 ft (9.9 m)
Roadway width32 ft (9.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,932 (2015)
Projected traffic8,550 by 2038
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Lower Sacto RD over Bear Creek built?

It was built in 1963, making it 62 years old in 2025.

What condition is Lower Sacto RD 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 September 2021.

How much traffic does Lower Sacto RD over Bear Creek carry?

About 12,932 vehicles per day (2015 count), of which roughly 3% are trucks.

How long is Lower Sacto RD over Bear Creek?

The structure is 129 ft (39.3 m) long with a longest span of 28 ft (8.5 m) and a deck 32 ft wide.

Who owns Lower Sacto RD over Bear Creek?

It is owned by the City or Municipal Highway Agency.