US Bridges

S47-GAFFEY Off Rmp over State Route 110

Good

Los Angeles County, California · 07-LA-047-L0.22-LA · Structure no. 53 1945F

Built
1970
55 years old
Condition
Good
inspected January 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
275 ft
2 main spans
Daily traffic
9,800
2020 count
Owner
State
State Highway Agency

About this bridge

S47-GAFFEY Off Rmp over State Route 110 is a prestressed concrete continuous box beam or girders - multiple carrying S47-GAFFEY Off Rmp over State Route 110 in Los Angeles County, California. It was built in 1970, so it is 55 years old, older 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 9,800 vehicles a day, roughly 5% of them trucks, projected to reach 12,572 by 2044. The structure is 275 ft (83.8 m) long and 39 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesS47-GAFFEY Off Rmp
CrossesState Route 110
Location07-LA-047-L0.22-LA
RouteState Highway 47
Coordinates33.7486, -118.2912
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating67.5 US tons
Inventory rating48.6 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length275 ft (83.8 m)
Longest span159 ft (48.5 m)
Deck width39 ft (11.9 m)
Roadway width37 ft (11.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,800 (2020)
Projected traffic12,572 by 2044
Trucks5%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was S47-GAFFEY Off Rmp over State Route 110 built?

It was built in 1970, making it 55 years old in 2025.

What condition is S47-GAFFEY Off Rmp over State Route 110 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 January 2024.

How much traffic does S47-GAFFEY Off Rmp over State Route 110 carry?

About 9,800 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is S47-GAFFEY Off Rmp over State Route 110?

The structure is 275 ft (83.8 m) long with a longest span of 159 ft (48.5 m) and a deck 39 ft wide.

Who owns S47-GAFFEY Off Rmp over State Route 110?

It is owned by the State Highway Agency.