US Bridges

Brace Road over Secret Ravine

PoorPosted for load

Placer County, California · Just East of I-80 · Structure no. 19C0136

Built
1939
86 years old
Condition
Poor
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
56 ft
2 main spans
Daily traffic
2,595
2008 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Brace Road over Secret Ravine is a steel stringer/multi-beam or girder carrying Brace Road over Secret Ravine in Placer County, California. It was built in 1939, so it is 86 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. Its operating status is: posted for load restriction.

It carries about 2,595 vehicles a day, roughly 1% of them trucks, projected to reach 2,276 by 2042. The structure is 56 ft (17.1 m) long and 29 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesBrace Road
CrossesSecret Ravine
LocationJust East of I-80
RouteCity Street 0
Coordinates38.81041, -121.19051
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating7.8 US tons
Inventory rating4.6 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length56 ft (17.1 m)
Longest span31 ft (9.5 m)
Deck width29 ft (8.9 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,595 (2008)
Projected traffic2,276 by 2042
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township 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$575,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Brace Road over Secret Ravine built?

It was built in 1939, making it 86 years old in 2025.

What condition is Brace Road over Secret Ravine 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 August 2024.

How much traffic does Brace Road over Secret Ravine carry?

About 2,595 vehicles per day (2008 count), of which roughly 1% are trucks.

How long is Brace Road over Secret Ravine?

The structure is 56 ft (17.1 m) long with a longest span of 31 ft (9.5 m) and a deck 29 ft wide.

Who owns Brace Road over Secret Ravine?

It is owned by the Town or Township Highway Agency.