US Bridges

Glassell Street over Santiago Creek Channel

Poor

Orange County, California · 0.1 Mi. N/O Route 22 Fwy · Structure no. 55C0016

Built
1939
86 years old, rebuilt 1974
Condition
Poor
inspected April 2023
Type
Tee Beam
Concrete Continuous
Length
190 ft
3 main spans
Daily traffic
31,600
2019 count
Owner
City
City or Municipal Highway Agency

About this bridge

Glassell Street over Santiago Creek Channel is a concrete continuous tee beam carrying Glassell Street over Santiago Creek Channel in Orange County, California. It was built in 1939 and reconstructed in 1974, so it is 86 years old, older than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 31,600 vehicles a day, roughly 1% of them trucks, projected to reach 33,975 by 2043. The structure is 190 ft (57.9 m) long and 88 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesGlassell Street
CrossesSantiago Creek Channel
Location0.1 Mi. N/O Route 22 Fwy
RouteCity Street 0
Coordinates33.77689, -117.85302
Functional classUrban Other Principal Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating76.4 US tons
Inventory rating46.1 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length190 ft (57.9 m)
Longest span92 ft (28 m)
Deck width88 ft (26.8 m)
Roadway width64 ft (19.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic31,600 (2019)
Projected traffic33,975 by 2043
Trucks1%
Lanes on structure4
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 Glassell Street over Santiago Creek Channel built?

It was built in 1939, making it 86 years old in 2025. It was reconstructed in 1974.

What condition is Glassell Street over Santiago Creek Channel in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in April 2023.

How much traffic does Glassell Street over Santiago Creek Channel carry?

About 31,600 vehicles per day (2019 count), of which roughly 1% are trucks.

How long is Glassell Street over Santiago Creek Channel?

The structure is 190 ft (57.9 m) long with a longest span of 92 ft (28 m) and a deck 88 ft wide.

Who owns Glassell Street over Santiago Creek Channel?

It is owned by the City or Municipal Highway Agency.