US Bridges

Old County Road over Earl Creek

Good

Santa Cruz County, California · @ Brooks Road · Structure no. 36C0173

Built
2016
9 years old
Condition
Good
inspected November 2024
Type
Box Beam or Girders - Multiple
Concrete
Length
99 ft
1 main span
Daily traffic
200
2016 count
Owner
County
County Highway Agency

About this bridge

Old County Road over Earl Creek is a concrete box beam or girders - multiple carrying Old County Road over Earl Creek in Santa Cruz 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 200 vehicles a day, roughly 10% of them trucks, projected to reach 204 by 2042. The structure is 99 ft (30.2 m) long and 26 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesOld County Road
CrossesEarl Creek
Location@ Brooks Road
RouteCounty Highway 0
Coordinates37.08816, -122.0926
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length99 ft (30.2 m)
Longest span97 ft (29.5 m)
Deck width26 ft (7.8 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2016)
Projected traffic204 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Old County Road over Earl Creek built?

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

What condition is Old County Road over Earl 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 November 2024.

How much traffic does Old County Road over Earl Creek carry?

About 200 vehicles per day (2016 count), of which roughly 10% are trucks.

How long is Old County Road over Earl Creek?

The structure is 99 ft (30.2 m) long with a longest span of 97 ft (29.5 m) and a deck 26 ft wide.

Who owns Old County Road over Earl Creek?

It is owned by the County Highway Agency.