US Bridges

Grossmont BL-N125 over N125-E8 Connector Ramp

Fair

San Diego County, California · 11-SD-125-R15.21-LMSA · Structure no. 57 0969S

Built
1993
32 years old
Condition
Fair
inspected August 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
481 ft
3 main spans
Daily traffic
2,000
2020 count
Owner
State
State Highway Agency

About this bridge

Grossmont BL-N125 over N125-E8 Connector Ramp is a prestressed concrete continuous box beam or girders - multiple carrying Grossmont BL-N125 over N125-E8 Connector Ramp in San Diego County, California. It was built in 1993, so it is 32 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 2,000 vehicles a day, roughly 1% of them trucks, projected to reach 4,303 by 2042. The structure is 481 ft (146.6 m) long and 27 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesGrossmont BL-N125
CrossesN125-E8 Connector Ramp
Location11-SD-125-R15.21-LMSA
RouteState Highway 125
CountySan Diego County
StateCalifornia
Coordinates32.77493, -117.00218
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum 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 spans3
Design loadHS 20
Structure length481 ft (146.6 m)
Longest span219 ft (66.8 m)
Deck width27 ft (8.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,000 (2020)
Projected traffic4,303 by 2042
Trucks1%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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 Grossmont BL-N125 over N125-E8 Connector Ramp built?

It was built in 1993, making it 32 years old in 2025.

What condition is Grossmont BL-N125 over N125-E8 Connector Ramp 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 Grossmont BL-N125 over N125-E8 Connector Ramp carry?

About 2,000 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is Grossmont BL-N125 over N125-E8 Connector Ramp?

The structure is 481 ft (146.6 m) long with a longest span of 219 ft (66.8 m) and a deck 27 ft wide.

Who owns Grossmont BL-N125 over N125-E8 Connector Ramp?

It is owned by the State Highway Agency.