US Bridges

Wightman ST over Interstate 15 & Ramps

Fair

San Diego County, California · 11-SD-015-M4.53-SD · Structure no. 57 0994

Built
1995
30 years old
Condition
Fair
inspected March 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
247 ft
2 main spans
Daily traffic
11,200
2020 count
Owner
State
State Highway Agency

About this bridge

Wightman ST over Interstate 15 & Ramps is a prestressed concrete continuous box beam or girders - multiple carrying Wightman ST over Interstate 15 & Ramps in San Diego County, California. It was built in 1995, so it is 30 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 11,200 vehicles a day, roughly 1% of them trucks, projected to reach 12,868 by 2041. The structure is 247 ft (75.3 m) long and 68 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesWightman ST
CrossesInterstate 15 & Ramps
Location11-SD-015-M4.53-SD
RouteCity Street 0
CountySan Diego County
StateCalifornia
Coordinates32.74774, -117.10925
Functional classUrban Collector

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 inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to 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 spans2
Design loadHS 20
Structure length247 ft (75.3 m)
Longest span129 ft (39.3 m)
Deck width68 ft (20.7 m)
Roadway width50 ft (15.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,200 (2020)
Projected traffic12,868 by 2041
Trucks1%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

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 Wightman ST over Interstate 15 & Ramps built?

It was built in 1995, making it 30 years old in 2025.

What condition is Wightman ST over Interstate 15 & Ramps 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 March 2023.

How much traffic does Wightman ST over Interstate 15 & Ramps carry?

About 11,200 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is Wightman ST over Interstate 15 & Ramps?

The structure is 247 ft (75.3 m) long with a longest span of 129 ft (39.3 m) and a deck 68 ft wide.

Who owns Wightman ST over Interstate 15 & Ramps?

It is owned by the State Highway Agency.