US Bridges

State Route 17 over Glen Canyon Road

Good

Santa Cruz County, California · 05-SCR-017-3.56-SCTV · Structure no. 36 0067

Built
1961
64 years old
Condition
Good
inspected May 2022
Type
Tee Beam
Concrete Continuous
Length
125 ft
3 main spans
Daily traffic
56,000
2009 count
Owner
State
State Highway Agency

About this bridge

State Route 17 over Glen Canyon Road is a concrete continuous tee beam carrying State Route 17 over Glen Canyon Road in Santa Cruz County, California. It was built in 1961, so it is 64 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 56,000 vehicles a day, roughly 5% of them trucks, projected to reach 94,684 by 2039. The structure is 125 ft (38.1 m) long and 89 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesState Route 17
CrossesGlen Canyon Road
Location05-SCR-017-3.56-SCTV
RouteState Highway 17
Coordinates37.03658, -122.01936
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Last inspectionMay 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.2 US tons
Inventory rating41.1 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length125 ft (38.1 m)
Longest span40 ft (12.2 m)
Deck width89 ft (27 m)
Roadway width74 ft (22.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic56,000 (2009)
Projected traffic94,684 by 2039
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemYes

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was State Route 17 over Glen Canyon Road built?

It was built in 1961, making it 64 years old in 2025.

What condition is State Route 17 over Glen Canyon Road 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 May 2022.

How much traffic does State Route 17 over Glen Canyon Road carry?

About 56,000 vehicles per day (2009 count), of which roughly 5% are trucks.

How long is State Route 17 over Glen Canyon Road?

The structure is 125 ft (38.1 m) long with a longest span of 40 ft (12.2 m) and a deck 89 ft wide.

Who owns State Route 17 over Glen Canyon Road?

It is owned by the State Highway Agency.