US Bridges

E/B University Dr. over Bonita Creek Channel

Fair

Orange County, California · 0.1 MI W/O Macarthur Blvd · Structure no. 55C0551R

Built
1988
37 years old
Condition
Fair
inspected August 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
251 ft
2 main spans
Daily traffic
11,000
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

E/B University Dr. over Bonita Creek Channel is a prestressed concrete continuous box beam or girders - multiple carrying E/B University Dr. over Bonita Creek Channel in Orange County, California. It was built in 1988, so it is 37 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 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 11,000 vehicles a day, roughly 1% of them trucks, projected to reach 16,610 by 2045. The structure is 251 ft (76.5 m) long and 59 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesE/B University Dr.
CrossesBonita Creek Channel
Location0.1 MI W/O Macarthur Blvd
RouteCity Street 0
Coordinates33.64891, -117.86297
Functional classUrban Minor 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length251 ft (76.5 m)
Longest span122 ft (37.2 m)
Deck width59 ft (17.9 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,000 (2020)
Projected traffic16,610 by 2045
Trucks1%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was E/B University Dr. over Bonita Creek Channel built?

It was built in 1988, making it 37 years old in 2025.

What condition is E/B University Dr. over Bonita Creek Channel 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 2024.

How much traffic does E/B University Dr. over Bonita Creek Channel carry?

About 11,000 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is E/B University Dr. over Bonita Creek Channel?

The structure is 251 ft (76.5 m) long with a longest span of 122 ft (37.2 m) and a deck 59 ft wide.

Who owns E/B University Dr. over Bonita Creek Channel?

It is owned by the City or Municipal Highway Agency.