US Bridges

Teilh Drive over San Lorenzo River

Good

Santa Cruz County, California · 0.05 MI W of SR 9 · Structure no. 36C0072

Built
1998
27 years old
Condition
Good
inspected November 2024
Type
Box Beam or Girders - Multiple
Concrete
Length
77 ft
1 main span
Daily traffic
250
2015 count
Owner
County
County Highway Agency

About this bridge

Teilh Drive over San Lorenzo River is a concrete box beam or girders - multiple carrying Teilh Drive over San Lorenzo River in Santa Cruz County, California. It was built in 1998, so it is 27 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 250 vehicles a day, roughly 10% of them trucks, projected to reach 640 by 2042. The structure is 77 ft (23.4 m) long and 35 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesTeilh Drive
CrossesSan Lorenzo River
Location0.05 MI W of SR 9
RouteCounty Highway 0
Coordinates37.17305, -122.13879
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 protection8 Very GoodNo problems noted.
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 geometry6: Equal to present minimum criteria
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

MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length77 ft (23.4 m)
Longest span74 ft (22.6 m)
Deck width35 ft (10.6 m)
Roadway width31 ft (9.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic250 (2015)
Projected traffic640 by 2042
Trucks10%
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 Teilh Drive over San Lorenzo River built?

It was built in 1998, making it 27 years old in 2025.

What condition is Teilh Drive over San Lorenzo River 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 Teilh Drive over San Lorenzo River carry?

About 250 vehicles per day (2015 count), of which roughly 10% are trucks.

How long is Teilh Drive over San Lorenzo River?

The structure is 77 ft (23.4 m) long with a longest span of 74 ft (22.6 m) and a deck 35 ft wide.

Who owns Teilh Drive over San Lorenzo River?

It is owned by the County Highway Agency.