US Bridges

State Route 33 over Newman Wasteway

Good

Merced County, California · 10-MER-033-29.60 · Structure no. 39 0124

Built
1952
73 years old
Condition
Good
inspected February 2025
Type
Culvert
Concrete Continuous
Length
24 ft
2 main spans
Daily traffic
7,100
2009 count
Owner
State
State Highway Agency

About this bridge

State Route 33 over Newman Wasteway is a concrete continuous culvert carrying State Route 33 over Newman Wasteway in Merced County, California. It was built in 1952, so it is 73 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 7,100 vehicles a day, roughly 15% of them trucks, projected to reach 15,076 by 2045. The structure is 24 ft (7.3 m) long and 55 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesState Route 33
CrossesNewman Wasteway
Location10-MER-033-29.60
RouteState Highway 33
Coordinates37.29319, -121.012
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadUnknown
Structure length24 ft (7.3 m)
Longest span11 ft (3.5 m)
Deck width55 ft (16.7 m)
Roadway width43 ft (13 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,100 (2009)
Projected traffic15,076 by 2045
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 State Route 33 over Newman Wasteway built?

It was built in 1952, making it 73 years old in 2025.

What condition is State Route 33 over Newman Wasteway 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 February 2025.

How much traffic does State Route 33 over Newman Wasteway carry?

About 7,100 vehicles per day (2009 count), of which roughly 15% are trucks.

How long is State Route 33 over Newman Wasteway?

The structure is 24 ft (7.3 m) long with a longest span of 11 ft (3.5 m) and a deck 55 ft wide.

Who owns State Route 33 over Newman Wasteway?

It is owned by the State Highway Agency.