US Bridges

LA Cumbre Road over UP RR AMTRAK Modoc RD

Fair

Santa Barbara County, California · 0.1 MI S S.R. 101 · Structure no. 51C0321

Built
1997
28 years old
Condition
Fair
inspected August 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
209 ft
2 main spans
Daily traffic
5,297
2011 count
Owner
County
County Highway Agency

About this bridge

LA Cumbre Road over UP RR AMTRAK Modoc RD is a prestressed concrete continuous box beam or girders - multiple carrying LA Cumbre Road over UP RR AMTRAK Modoc RD in Santa Barbara County, California. It was built in 1997, so it is 28 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 5,297 vehicles a day, roughly 2% of them trucks, projected to reach 21,615 by 2046. The structure is 209 ft (63.7 m) long and 77 ft wide. If it were closed, the detour would be 7.5 mi (12 km).

CarriesLA Cumbre Road
CrossesUP RR AMTRAK Modoc RD
Location0.1 MI S S.R. 101
RouteCity Street 0
Coordinates34.43602, -119.75261
Functional classUrban Minor 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.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length209 ft (63.7 m)
Longest span105 ft (32 m)
Deck width77 ft (23.4 m)
Roadway width65 ft (19.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,297 (2011)
Projected traffic21,615 by 2046
Trucks2%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway and railroad
Detour if closed7.5 mi (12 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was LA Cumbre Road over UP RR AMTRAK Modoc RD built?

It was built in 1997, making it 28 years old in 2025.

What condition is LA Cumbre Road over UP RR AMTRAK Modoc RD 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 August 2024.

How much traffic does LA Cumbre Road over UP RR AMTRAK Modoc RD carry?

About 5,297 vehicles per day (2011 count), of which roughly 2% are trucks.

How long is LA Cumbre Road over UP RR AMTRAK Modoc RD?

The structure is 209 ft (63.7 m) long with a longest span of 105 ft (32 m) and a deck 77 ft wide.

Who owns LA Cumbre Road over UP RR AMTRAK Modoc RD?

It is owned by the County Highway Agency.