US Bridges

Ferrocarril RD over Graves Creek

Good

San Luis Obispo County, California · 0.1 MI W/O El Camino Real · Structure no. 49C0450

Built
2005
20 years old
Condition
Good
inspected July 2023
Type
Truss - Thru
Steel
Length
145 ft
1 main span
Daily traffic
1,500
2012 count
Owner
City
City or Municipal Highway Agency

About this bridge

Ferrocarril RD over Graves Creek is a steel truss - thru carrying Ferrocarril RD over Graves Creek in San Luis Obispo County, California. It was built in 2005, so it is 20 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 1,500 vehicles a day, roughly 2% of them trucks, projected to reach 2,000 by 2041. The structure is 145 ft (44.2 m) long and 25 ft wide. If it were closed, the detour would be 61.5 mi (99 km).

CarriesFerrocarril RD
CrossesGraves Creek
Location0.1 MI W/O El Camino Real
RouteCity Street 0
Coordinates35.52972, -120.70439
Functional classUrban 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 protection9 ExcellentNo problems noted.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
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 rating48.6 US tons
Inventory rating28.9 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckCorrugated steel
Main spans1 (+1 approach)
Design loadUnknown
Structure length145 ft (44.2 m)
Longest span102 ft (31.1 m)
Deck width25 ft (7.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,500 (2012)
Projected traffic2,000 by 2041
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed61.5 mi (99 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Ferrocarril RD over Graves Creek built?

It was built in 2005, making it 20 years old in 2025.

What condition is Ferrocarril RD over Graves 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 July 2023.

How much traffic does Ferrocarril RD over Graves Creek carry?

About 1,500 vehicles per day (2012 count), of which roughly 2% are trucks.

How long is Ferrocarril RD over Graves Creek?

The structure is 145 ft (44.2 m) long with a longest span of 102 ft (31.1 m) and a deck 25 ft wide.

Who owns Ferrocarril RD over Graves Creek?

It is owned by the City or Municipal Highway Agency.