US Bridges

State Route 94 over Grande Creek

Good

San Diego County, California · 11-SD-094-29.12 · Structure no. 57 0114

Built
1928
97 years old, rebuilt 1975
Condition
Good
inspected January 2023
Type
Slab
Concrete
Length
22 ft
1 main span
Daily traffic
7,800
2019 count
Owner
State
State Highway Agency

About this bridge

State Route 94 over Grande Creek is a concrete slab carrying State Route 94 over Grande Creek in San Diego County, California. It was built in 1928 and reconstructed in 1975, so it is 97 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 7,800 vehicles a day, roughly 8% of them trucks, projected to reach 10,372 by 2041. The structure is 22 ft (6.7 m) long and 44 ft wide. If it were closed, the detour would be 24.2 mi (39 km).

CarriesState Route 94
CrossesGrande Creek
Location11-SD-094-29.12
RouteState Highway 94
Coordinates32.63913, -116.76889
Functional classRural Principal Arterial - Other

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 inspectionJanuary 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110 US tons
Inventory rating75 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length22 ft (6.7 m)
Longest span21 ft (6.4 m)
Deck width44 ft (13.4 m)
Roadway width43 ft (13.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,800 (2019)
Projected traffic10,372 by 2041
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.2 mi (39 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 State Route 94 over Grande Creek built?

It was built in 1928, making it 97 years old in 2025. It was reconstructed in 1975.

What condition is State Route 94 over Grande Creek 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 January 2023.

How much traffic does State Route 94 over Grande Creek carry?

About 7,800 vehicles per day (2019 count), of which roughly 8% are trucks.

How long is State Route 94 over Grande Creek?

The structure is 22 ft (6.7 m) long with a longest span of 21 ft (6.4 m) and a deck 44 ft wide.

Who owns State Route 94 over Grande Creek?

It is owned by the State Highway Agency.