US Bridges

Mac Arthur Blvd over Greenville-Banning Chan

Fair

Orange County, California · 0.5 MI E/O Harbor Blvd · Structure no. 55C0373

Built
1962
63 years old
Condition
Fair
inspected February 2025
Type
Culvert
Concrete
Length
23 ft
2 main spans
Daily traffic
29,000
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Mac Arthur Blvd over Greenville-Banning Chan is a concrete culvert carrying Mac Arthur Blvd over Greenville-Banning Chan in Orange County, California. It was built in 1962, so it is 63 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 6 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 29,000 vehicles a day, roughly 1% of them trucks, projected to reach 47,658 by 2047. The structure is 23 ft (7 m) long and 103 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesMac Arthur Blvd
CrossesGreenville-Banning Chan
Location0.5 MI E/O Harbor Blvd
RouteCity Street 0
CountyOrange County
StateCalifornia
Coordinates33.69991, -117.91017
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length23 ft (7 m)
Longest span10 ft (3 m)
Deck width103 ft (31.5 m)
Roadway width82 ft (25.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic29,000 (2021)
Projected traffic47,658 by 2047
Trucks1%
Lanes on structure7
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Mac Arthur Blvd over Greenville-Banning Chan built?

It was built in 1962, making it 63 years old in 2025.

What condition is Mac Arthur Blvd over Greenville-Banning Chan 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 February 2025.

How much traffic does Mac Arthur Blvd over Greenville-Banning Chan carry?

About 29,000 vehicles per day (2021 count), of which roughly 1% are trucks.

How long is Mac Arthur Blvd over Greenville-Banning Chan?

The structure is 23 ft (7 m) long with a longest span of 10 ft (3 m) and a deck 103 ft wide.

Who owns Mac Arthur Blvd over Greenville-Banning Chan?

It is owned by the City or Municipal Highway Agency.