US Bridges

Panoche Road over Los Aguilas Creek

Poor

San Benito County, California · 14 MI W Little Panoche RD · Structure no. 43C0026

Built
1947
78 years old
Condition
Poor
inspected November 2024
Type
Slab
Concrete Continuous
Length
48 ft
3 main spans
Daily traffic
800
2010 count
Owner
County
County Highway Agency

About this bridge

Panoche Road over Los Aguilas Creek is a concrete continuous slab carrying Panoche Road over Los Aguilas Creek in San Benito County, California. It was built in 1947, so it is 78 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 4 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 800 vehicles a day, roughly 5% of them trucks, projected to reach 1,045 by 2042. The structure is 48 ft (14.6 m) long and 22 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesPanoche Road
CrossesLos Aguilas Creek
Location14 MI W Little Panoche RD
RouteCounty Highway 0
Coordinates36.66346, -121.10032
Functional classRural Major Collector

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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating46.7 US tons
Inventory rating27.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length48 ft (14.6 m)
Longest span30 ft (9.1 m)
Deck width22 ft (6.7 m)
Roadway width21 ft (6.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic800 (2010)
Projected traffic1,045 by 2042
Trucks5%
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$378,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Panoche Road over Los Aguilas Creek built?

It was built in 1947, making it 78 years old in 2025.

What condition is Panoche Road over Los Aguilas 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 Panoche Road over Los Aguilas Creek carry?

About 800 vehicles per day (2010 count), of which roughly 5% are trucks.

How long is Panoche Road over Los Aguilas Creek?

The structure is 48 ft (14.6 m) long with a longest span of 30 ft (9.1 m) and a deck 22 ft wide.

Who owns Panoche Road over Los Aguilas Creek?

It is owned by the County Highway Agency.