US Bridges

Trinity Parkway over Bear Creek

Good

San Joaquin County, California · S of W Eight Mile Road · Structure no. 29C0436

Built
2008
17 years old
Condition
Good
inspected January 2023
Type
Slab
Prestressed Concrete
Length
192 ft
5 main spans
Daily traffic
6
2015 count
Owner
City
City or Municipal Highway Agency

About this bridge

Trinity Parkway over Bear Creek is a prestressed concrete slab carrying Trinity Parkway over Bear Creek in San Joaquin County, California. It was built in 2008, so it is 17 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 6 vehicles a day, roughly 3% of them trucks, projected to reach 10 by 2045. The structure is 192 ft (58.5 m) long and 68 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesTrinity Parkway
CrossesBear Creek
LocationS of W Eight Mile Road
RouteCity Street 0
Coordinates38.04305, -121.37052
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 inspectionJanuary 2023
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 adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans5
Design loadHS 20 + Mod
Structure length192 ft (58.5 m)
Longest span48 ft (14.6 m)
Deck width68 ft (20.7 m)
Roadway width52 ft (16 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6 (2015)
Projected traffic10 by 2045
Trucks3%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed0.6 mi (1 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Trinity Parkway over Bear Creek built?

It was built in 2008, making it 17 years old in 2025.

What condition is Trinity Parkway 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 2023.

How much traffic does Trinity Parkway over Bear Creek carry?

About 6 vehicles per day (2015 count), of which roughly 3% are trucks.

How long is Trinity Parkway over Bear Creek?

The structure is 192 ft (58.5 m) long with a longest span of 48 ft (14.6 m) and a deck 68 ft wide.

Who owns Trinity Parkway over Bear Creek?

It is owned by the City or Municipal Highway Agency.