US Bridges

Main Camp Fire RD over Big Sur River

Poor

Monterey County, California · Pfeiffer Big Sur ST Park · Structure no. 44P0014

Built
2009
16 years old
Condition
Poor
inspected September 2023
Type
Truss - Thru
Steel
Length
153 ft
1 main span
Daily traffic
100
2005 count
Owner
State
State Park, Forest, or Reservation Agency

About this bridge

Main Camp Fire RD over Big Sur River is a steel truss - thru carrying Main Camp Fire RD over Big Sur River in Monterey County, California. It was built in 2009, so it is 16 years old, younger 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 100 vehicles a day, roughly 5% of them trucks, projected to reach 210 by 2040. The structure is 153 ft (46.6 m) long and 13 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesMain Camp Fire RD
CrossesBig Sur River
LocationPfeiffer Big Sur ST Park
RouteState Lands Road 0
Coordinates36.25002, -121.78551
Functional classRural Local

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating29.7 US tons
Inventory rating17.9 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckOpen grating
Main spans1
Design loadHS 20
Structure length153 ft (46.6 m)
Longest span150 ft (45.7 m)
Deck width13 ft (4 m)
Roadway width12 ft (3.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2005)
Projected traffic210 by 2040
Trucks5%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Park, Forest, or Reservation Agency
Maintained byState Park, Forest, or Reservation 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$676,000 (2017 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Main Camp Fire RD over Big Sur River built?

It was built in 2009, making it 16 years old in 2025.

What condition is Main Camp Fire RD over Big Sur River 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 September 2023.

How much traffic does Main Camp Fire RD over Big Sur River carry?

About 100 vehicles per day (2005 count), of which roughly 5% are trucks.

How long is Main Camp Fire RD over Big Sur River?

The structure is 153 ft (46.6 m) long with a longest span of 150 ft (45.7 m) and a deck 13 ft wide.

Who owns Main Camp Fire RD over Big Sur River?

It is owned by the State Park, Forest, or Reservation Agency.