US Bridges

Mountain DR over Hot Springs Creek

Fair

Santa Barbara County, California · At Riven Rock RD · Structure no. 51C0203

Built
1965
60 years old
Condition
Fair
inspected November 2023
Type
Slab
Concrete
Length
37 ft
1 main span
Daily traffic
588
2012 count
Owner
County
County Highway Agency

About this bridge

Mountain DR over Hot Springs Creek is a concrete slab carrying Mountain DR over Hot Springs Creek in Santa Barbara County, California. It was built in 1965, so it is 60 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 588 vehicles a day, roughly 3% of them trucks, projected to reach 1,636 by 2041. The structure is 37 ft (11.3 m) long and 33 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesMountain DR
CrossesHot Springs Creek
LocationAt Riven Rock RD
RouteCounty Highway 0
CountySanta Barbara County
StateCalifornia
Coordinates34.44911, -119.64626
Functional classRural Local

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67.5 US tons
Inventory rating40.3 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length37 ft (11.3 m)
Longest span34 ft (10.3 m)
Deck width33 ft (10.2 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic588 (2012)
Projected traffic1,636 by 2041
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Mountain DR over Hot Springs Creek built?

It was built in 1965, making it 60 years old in 2025.

What condition is Mountain DR over Hot Springs 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 November 2023.

How much traffic does Mountain DR over Hot Springs Creek carry?

About 588 vehicles per day (2012 count), of which roughly 3% are trucks.

How long is Mountain DR over Hot Springs Creek?

The structure is 37 ft (11.3 m) long with a longest span of 34 ft (10.3 m) and a deck 33 ft wide.

Who owns Mountain DR over Hot Springs Creek?

It is owned by the County Highway Agency.