US Bridges

Orwood Road over Werner Dredger Cut

Good

Contra Costa County, California · 2 Mi. E. of Byron HWY · Structure no. 28C0262

Built
2016
9 years old
Condition
Good
inspected July 2022
Type
Slab
Prestressed Concrete Continuous
Length
214 ft
3 main spans
Daily traffic
1,164
2013 count
Owner
County
County Highway Agency

About this bridge

Orwood Road over Werner Dredger Cut is a prestressed concrete continuous slab carrying Orwood Road over Werner Dredger Cut in Contra Costa County, California. It was built in 2016, so it is 9 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 1,164 vehicles a day, roughly 8% of them trucks, projected to reach 3,000 by 2039. The structure is 214 ft (65.3 m) long and 43 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesOrwood Road
CrossesWerner Dredger Cut
Location2 Mi. E. of Byron HWY
RouteCounty Highway 0
CountyContra Costa County
StateCalifornia
Coordinates37.93912, -121.61045
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 protection8 Very GoodNo problems noted.
Last inspectionJuly 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 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 rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadGreater than HL 93
Structure length214 ft (65.3 m)
Longest span70 ft (21.4 m)
Deck width43 ft (13.1 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,164 (2013)
Projected traffic3,000 by 2039
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 Orwood Road over Werner Dredger Cut built?

It was built in 2016, making it 9 years old in 2025.

What condition is Orwood Road over Werner Dredger Cut 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 July 2022.

How much traffic does Orwood Road over Werner Dredger Cut carry?

About 1,164 vehicles per day (2013 count), of which roughly 8% are trucks.

How long is Orwood Road over Werner Dredger Cut?

The structure is 214 ft (65.3 m) long with a longest span of 70 ft (21.4 m) and a deck 43 ft wide.

Who owns Orwood Road over Werner Dredger Cut?

It is owned by the County Highway Agency.