US Bridges

Montezuma RD over Fairmount Ave

Fair

San Diego County, California · 0.5 MI S/O Route I-8 · Structure no. 57C0676

Built
1996
29 years old
Condition
Fair
inspected August 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
246 ft
2 main spans
Daily traffic
20,929
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Montezuma RD over Fairmount Ave is a prestressed concrete continuous box beam or girders - multiple carrying Montezuma RD over Fairmount Ave in San Diego County, California. It was built in 1996, so it is 29 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 20,929 vehicles a day, roughly 2% of them trucks, projected to reach 26,721 by 2043. The structure is 246 ft (75 m) long and 82 ft wide. If it were closed, the detour would be 5.6 mi (9 km).

Location

Open in Google Maps
CarriesMontezuma RD
CrossesFairmount Ave
Location0.5 MI S/O Route I-8
RouteCounty Highway 0
CountySan Diego County
StateCalifornia
Coordinates32.77247, -117.09746
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionAugust 2023
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 alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length246 ft (75 m)
Longest span135 ft (41 m)
Deck width82 ft (25.1 m)
Roadway width73 ft (22.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,929 (2021)
Projected traffic26,721 by 2043
Trucks2%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed5.6 mi (9 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 Montezuma RD over Fairmount Ave built?

It was built in 1996, making it 29 years old in 2025.

What condition is Montezuma RD over Fairmount Ave 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 Montezuma RD over Fairmount Ave carry?

About 20,929 vehicles per day (2021 count), of which roughly 2% are trucks.

How long is Montezuma RD over Fairmount Ave?

The structure is 246 ft (75 m) long with a longest span of 135 ft (41 m) and a deck 82 ft wide.

Who owns Montezuma RD over Fairmount Ave?

It is owned by the City or Municipal Highway Agency.