US Bridges

Gladdings Road over Coon Creek

Good

Placer County, California · 0.8 MI S of Riosa RD · Structure no. 19C0221

Built
2007
18 years old
Condition
Good
inspected April 2021
Type
Girder and Floorbeam System
Concrete
Length
82 ft
1 main span
Daily traffic
629
2006 count
Owner
County
County Highway Agency

About this bridge

Gladdings Road over Coon Creek is a concrete girder and floorbeam system carrying Gladdings Road over Coon Creek in Placer County, California. It was built in 2007, so it is 18 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 629 vehicles a day, roughly 2% of them trucks, projected to reach 1,116 by 2043. The structure is 82 ft (25 m) long and 32 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesGladdings Road
CrossesCoon Creek
Location0.8 MI S of Riosa RD
RouteCounty Highway 0
Coordinates38.97219, -121.29344
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length82 ft (25 m)
Longest span82 ft (25 m)
Deck width32 ft (9.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic629 (2006)
Projected traffic1,116 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 Road over Coon Creek built?

It was built in 2007, making it 18 years old in 2025.

What condition is Gladdings Road over Coon 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 April 2021.

How much traffic does Gladdings Road over Coon Creek carry?

About 629 vehicles per day (2006 count), of which roughly 2% are trucks.

How long is Gladdings Road over Coon Creek?

The structure is 82 ft (25 m) long with a longest span of 82 ft (25 m) and a deck 32 ft wide.

Who owns Gladdings Road over Coon Creek?

It is owned by the County Highway Agency.