US Bridges

Rancho Rio Avenue over Newell Creek

Poor

Santa Cruz County, California · 0.1 MI E Newell Creek RD · Structure no. 36C0128

Built
1958
67 years old
Condition
Poor
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
42 ft
1 main span
Daily traffic
500
2015 count
Owner
County
County Highway Agency

About this bridge

Rancho Rio Avenue over Newell Creek is a steel stringer/multi-beam or girder carrying Rancho Rio Avenue over Newell Creek in Santa Cruz County, California. It was built in 1958, so it is 67 years old, older than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 2 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 500 vehicles a day, roughly 10% of them trucks, projected to reach 768 by 2042. The structure is 42 ft (12.9 m) long and 12 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesRancho Rio Avenue
CrossesNewell Creek
Location0.1 MI E Newell Creek RD
RouteCounty Highway 0
Coordinates37.088, -122.07636
Functional classUrban Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure2 CriticalAdvanced deterioration of primary structural elements. Bridge may be closed until corrective action is taken.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; extensive scour has occurred
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating35.1 US tons
Inventory rating27.1 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length42 ft (12.9 m)
Longest span38 ft (11.6 m)
Deck width12 ft (3.6 m)
Roadway width10 ft (3.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic500 (2015)
Projected traffic768 by 2042
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$162,000 (2017 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Rancho Rio Avenue over Newell Creek built?

It was built in 1958, making it 67 years old in 2025.

What condition is Rancho Rio Avenue over Newell Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in November 2024.

How much traffic does Rancho Rio Avenue over Newell Creek carry?

About 500 vehicles per day (2015 count), of which roughly 10% are trucks.

How long is Rancho Rio Avenue over Newell Creek?

The structure is 42 ft (12.9 m) long with a longest span of 38 ft (11.6 m) and a deck 12 ft wide.

Who owns Rancho Rio Avenue over Newell Creek?

It is owned by the County Highway Agency.