US Bridges

Gladdings RD over Doty Ravine

Fair

Placer County, California · 0.9 MI N of Wise RD · Structure no. 19C0132

Built
1935
90 years old
Condition
Fair
inspected April 2023
Type
Truss - Thru
Steel
Length
79 ft
1 main span
Daily traffic
789
2010 count
Owner
County
County Highway Agency

About this bridge

Gladdings RD over Doty Ravine is a steel truss - thru carrying Gladdings RD over Doty Ravine in Placer County, California. It was built in 1935, so it is 90 years old, older than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 789 vehicles a day, roughly 2% of them trucks, projected to reach 1,108 by 2043. The structure is 79 ft (24.1 m) long and 19 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesGladdings RD
CrossesDoty Ravine
Location0.9 MI N of Wise RD
RouteCounty Highway 0
CountyPlacer County
StateCalifornia
Coordinates38.93759, -121.29014
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating32.5 US tons
Inventory rating19.6 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadUnknown
Structure length79 ft (24.1 m)
Longest span76 ft (23.2 m)
Deck width19 ft (5.7 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic789 (2010)
Projected traffic1,108 by 2043
Trucks2%
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

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 Gladdings RD over Doty Ravine built?

It was built in 1935, making it 90 years old in 2025.

What condition is Gladdings RD over Doty Ravine in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in April 2023.

How much traffic does Gladdings RD over Doty Ravine carry?

About 789 vehicles per day (2010 count), of which roughly 2% are trucks.

How long is Gladdings RD over Doty Ravine?

The structure is 79 ft (24.1 m) long with a longest span of 76 ft (23.2 m) and a deck 19 ft wide.

Who owns Gladdings RD over Doty Ravine?

It is owned by the County Highway Agency.