US Bridges

W8-NB Morena Offrp over Pedestrian Walkway

Good

San Diego County, California · 11-SD-008-R0.38-SD · Structure no. 57 0918K

Built
1969
56 years old
Condition
Good
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
196 ft
3 main spans
Daily traffic
7,100
2014 count
Owner
State
State Highway Agency

About this bridge

W8-NB Morena Offrp over Pedestrian Walkway is a steel continuous stringer/multi-beam or girder carrying W8-NB Morena Offrp over Pedestrian Walkway in San Diego County, California. It was built in 1969, so it is 56 years old, older than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 7,100 vehicles a day, roughly 1% of them trucks, projected to reach 12,880 by 2042. The structure is 196 ft (59.7 m) long and 26 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesW8-NB Morena Offrp
CrossesPedestrian Walkway
Location11-SD-008-R0.38-SD
RouteInterstate 8
Coordinates32.76108, -117.19774
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.4 US tons
Inventory rating48.2 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length196 ft (59.7 m)
Longest span66 ft (20.1 m)
Deck width26 ft (7.9 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,100 (2014)
Projected traffic12,880 by 2042
Trucks1%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed5 mi (8 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was W8-NB Morena Offrp over Pedestrian Walkway built?

It was built in 1969, making it 56 years old in 2025.

What condition is W8-NB Morena Offrp over Pedestrian Walkway in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in April 2024.

How much traffic does W8-NB Morena Offrp over Pedestrian Walkway carry?

About 7,100 vehicles per day (2014 count), of which roughly 1% are trucks.

How long is W8-NB Morena Offrp over Pedestrian Walkway?

The structure is 196 ft (59.7 m) long with a longest span of 66 ft (20.1 m) and a deck 26 ft wide.

Who owns W8-NB Morena Offrp over Pedestrian Walkway?

It is owned by the State Highway Agency.