US Bridges

W41-S1 Connector over Morro Creek

Fair

San Luis Obispo County, California · 05-SLO-041-0.01-MOBY · Structure no. 49 0181H

Built
1962
63 years old
Condition
Fair
inspected September 2023
Type
Slab
Concrete Continuous
Length
80 ft
4 main spans
Daily traffic
4,400
2014 count
Owner
State
State Highway Agency

About this bridge

W41-S1 Connector over Morro Creek is a concrete continuous slab carrying W41-S1 Connector over Morro Creek in San Luis Obispo County, California. It was built in 1962, so it is 63 years old, older 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 4,400 vehicles a day, roughly 2% of them trucks, projected to reach 8,722 by 2045. The structure is 80 ft (24.4 m) long and 26 ft wide. If it were closed, the detour would be 19.3 mi (31 km).

Location

Open in Google Maps
CarriesW41-S1 Connector
CrossesMorro Creek
Location05-SLO-041-0.01-MOBY
RouteState Highway 41
CountySan Luis Obispo County
StateCalifornia
Coordinates35.37803, -120.8551
Functional classUrban Other Principal Arterial

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52.5 US tons
Inventory rating31.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length80 ft (24.4 m)
Longest span22 ft (6.7 m)
Deck width26 ft (8 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,400 (2014)
Projected traffic8,722 by 2045
Trucks2%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.3 mi (31 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 W41-S1 Connector over Morro Creek built?

It was built in 1962, making it 63 years old in 2025.

What condition is W41-S1 Connector over Morro Creek 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 September 2023.

How much traffic does W41-S1 Connector over Morro Creek carry?

About 4,400 vehicles per day (2014 count), of which roughly 2% are trucks.

How long is W41-S1 Connector over Morro Creek?

The structure is 80 ft (24.4 m) long with a longest span of 22 ft (6.7 m) and a deck 26 ft wide.

Who owns W41-S1 Connector over Morro Creek?

It is owned by the State Highway Agency.