US Bridges

Giant HWY over Rheam Creek

Fair

Contra Costa County, California · 0.1 MI S Stanton Ave · Structure no. 28C0327

Built
1993
32 years old
Condition
Fair
inspected December 2024
Type
Culvert
Concrete Continuous
Length
28 ft
2 main spans
Daily traffic
4,220
2010 count
Owner
City
City or Municipal Highway Agency

About this bridge

Giant HWY over Rheam Creek is a concrete continuous culvert carrying Giant HWY over Rheam Creek in Contra Costa County, California. It was built in 1993, so it is 32 years old, younger than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 4,220 vehicles a day, roughly 10% of them trucks, projected to reach 8,344 by 2046. The structure is 28 ft (8.5 m) long and 47 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesGiant HWY
CrossesRheam Creek
Location0.1 MI S Stanton Ave
RouteCity Street 0
CountyContra Costa County
StateCalifornia
Coordinates37.97718, -122.35349
Functional classUrban Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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 typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length28 ft (8.5 m)
Longest span15 ft (4.6 m)
Deck width47 ft (14.4 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,220 (2010)
Projected traffic8,344 by 2046
Trucks10%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.1 mi (5 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 Giant HWY over Rheam Creek built?

It was built in 1993, making it 32 years old in 2025.

What condition is Giant HWY over Rheam Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in December 2024.

How much traffic does Giant HWY over Rheam Creek carry?

About 4,220 vehicles per day (2010 count), of which roughly 10% are trucks.

How long is Giant HWY over Rheam Creek?

The structure is 28 ft (8.5 m) long with a longest span of 15 ft (4.6 m) and a deck 47 ft wide.

Who owns Giant HWY over Rheam Creek?

It is owned by the City or Municipal Highway Agency.