US Bridges

Morro RD over Unnamed Creek

Good

San Diego County, California · 0.4MI S/O Fallbrook ST · Structure no. 57C0383

Built
1943
82 years old
Condition
Good
inspected June 2023
Type
Tee Beam
Concrete
Length
26 ft
1 main span
Daily traffic
696
2016 count
Owner
County
County Highway Agency

About this bridge

Morro RD over Unnamed Creek is a concrete tee beam carrying Morro RD over Unnamed Creek in San Diego County, California. It was built in 1943, so it is 82 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 696 vehicles a day, roughly 1% of them trucks, projected to reach 836 by 2045. The structure is 26 ft (7.9 m) long and 23 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesMorro RD
CrossesUnnamed Creek
Location0.4MI S/O Fallbrook ST
RouteCounty Highway 0
Coordinates33.37021, -117.24062
Functional classUrban Local

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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating31.7 US tons
Inventory rating22.8 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length26 ft (7.9 m)
Longest span25 ft (7.6 m)
Deck width23 ft (7.1 m)
Roadway width22 ft (6.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic696 (2016)
Projected traffic836 by 2045
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Morro RD over Unnamed Creek built?

It was built in 1943, making it 82 years old in 2025.

What condition is Morro RD over Unnamed 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 June 2023.

How much traffic does Morro RD over Unnamed Creek carry?

About 696 vehicles per day (2016 count), of which roughly 1% are trucks.

How long is Morro RD over Unnamed Creek?

The structure is 26 ft (7.9 m) long with a longest span of 25 ft (7.6 m) and a deck 23 ft wide.

Who owns Morro RD over Unnamed Creek?

It is owned by the County Highway Agency.