US Bridges

Broad ST over E Fk San Luis Obispo Crk

Fair

San Luis Obispo County, California · South of El Capitan Way · Structure no. 49C0445

Built
1978
47 years old
Condition
Fair
inspected March 2023
Type
Box Beam or Girders - Multiple
Concrete
Length
45 ft
1 main span
Daily traffic
24,700
2005 count
Owner
City
City or Municipal Highway Agency

About this bridge

Broad ST over E Fk San Luis Obispo Crk is a concrete box beam or girders - multiple carrying Broad ST over E Fk San Luis Obispo Crk in San Luis Obispo County, California. It was built in 1978, so it is 47 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 6 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 24,700 vehicles a day, roughly 6% of them trucks, projected to reach 33,565 by 2045. The structure is 45 ft (13.7 m) long and 93 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesBroad ST
CrossesE Fk San Luis Obispo Crk
LocationSouth of El Capitan Way
RouteCity Street 0
Coordinates35.24588, -120.64162
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.2 US tons
Inventory rating47.8 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length45 ft (13.7 m)
Longest span43 ft (13 m)
Deck width93 ft (28.3 m)
Roadway width80 ft (24.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24,700 (2005)
Projected traffic33,565 by 2045
Trucks6%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Broad ST over E Fk San Luis Obispo Crk built?

It was built in 1978, making it 47 years old in 2025.

What condition is Broad ST over E Fk San Luis Obispo Crk 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 Broad ST over E Fk San Luis Obispo Crk carry?

About 24,700 vehicles per day (2005 count), of which roughly 6% are trucks.

How long is Broad ST over E Fk San Luis Obispo Crk?

The structure is 45 ft (13.7 m) long with a longest span of 43 ft (13 m) and a deck 93 ft wide.

Who owns Broad ST over E Fk San Luis Obispo Crk?

It is owned by the City or Municipal Highway Agency.