US Bridges

Balckie Road over San Miguel Canyon Creek

Good

Monterey County, California · At Prundale South RD · Structure no. 44C0189

Built
2015
10 years old
Condition
Good
inspected June 2024
Type
Culvert
Concrete Continuous
Length
49 ft
2 main spans
Daily traffic
3,600
2022 count
Owner
County
County Highway Agency

About this bridge

Balckie Road over San Miguel Canyon Creek is a concrete continuous culvert carrying Balckie Road over San Miguel Canyon Creek in Monterey County, California. It was built in 2015, so it is 10 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 3,600 vehicles a day, roughly 2% of them trucks, projected to reach 6,000 by 2044. The structure is 49 ft (15 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesBalckie Road
CrossesSan Miguel Canyon Creek
LocationAt Prundale South RD
RouteCounty Highway 0
Coordinates36.77486, -121.67194
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20 + Mod
Structure length49 ft (15 m)
Longest span23 ft (6.9 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,600 (2022)
Projected traffic6,000 by 2044
Trucks2%
Lanes on structure3
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Balckie Road over San Miguel Canyon Creek built?

It was built in 2015, making it 10 years old in 2025.

What condition is Balckie Road over San Miguel Canyon 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 June 2024.

How much traffic does Balckie Road over San Miguel Canyon Creek carry?

About 3,600 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is Balckie Road over San Miguel Canyon Creek?

The structure is 49 ft (15 m) long with a longest span of 23 ft (6.9 m).

Who owns Balckie Road over San Miguel Canyon Creek?

It is owned by the County Highway Agency.