US Bridges

S5-4th ST & Mabury over S 5 (lane #6)

Fair

Orange County, California · 12-ORA-005-31.10-TUS · Structure no. 55 0660K

Built
1995
30 years old
Condition
Fair
inspected August 2023
Type
Slab
Concrete Continuous
Length
240 ft
17 main spans
Daily traffic
11,613
2015 count
Owner
State
State Highway Agency

About this bridge

S5-4th ST & Mabury over S 5 (lane #6) is a concrete continuous slab carrying S5-4th ST & Mabury over S 5 (lane #6) in Orange County, California. It was built in 1995, so it is 30 years old, younger 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 11,613 vehicles a day, roughly 3% of them trucks, projected to reach 14,255 by 2043. The structure is 240 ft (73.2 m) long and 9 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesS5-4th ST & Mabury
CrossesS 5 (lane #6)
Location12-ORA-005-31.10-TUS
RouteInterstate 5
CountyOrange County
StateCalifornia
Coordinates33.74828, -117.84371
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans17
Design loadHS 20 + Mod
Structure length240 ft (73.2 m)
Longest span14 ft (4.3 m)
Deck width9 ft (2.6 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,613 (2015)
Projected traffic14,255 by 2043
Trucks3%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate STRAHNET route

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 S5-4th ST & Mabury over S 5 (lane #6) built?

It was built in 1995, making it 30 years old in 2025.

What condition is S5-4th ST & Mabury over S 5 (lane #6) 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 August 2023.

How much traffic does S5-4th ST & Mabury over S 5 (lane #6) carry?

About 11,613 vehicles per day (2015 count), of which roughly 3% are trucks.

How long is S5-4th ST & Mabury over S 5 (lane #6)?

The structure is 240 ft (73.2 m) long with a longest span of 14 ft (4.3 m) and a deck 9 ft wide.

Who owns S5-4th ST & Mabury over S 5 (lane #6)?

It is owned by the State Highway Agency.