US Bridges

Horse Creek Camp R over Olema Creek

FairPosted for load

Marin County, California · 3.2 Miles South of Olema · Structure no. 8530002S0000000

Built
1960
65 years old
Condition
Fair
inspected July 2023
Type
Other
Steel
Length
85 ft
1 main span
Daily traffic
20
2013 count
Owner
Federal
National Park Service

About this bridge

Horse Creek Camp R over Olema Creek is a steel other carrying Horse Creek Camp R over Olema Creek in Marin County, California. It was built in 1960, so it is 65 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. Its operating status is: posted for load restriction.

It carries about 20 vehicles a day, projected to reach 24 by 2033. The structure is 85 ft (25.8 m) long and 12 ft wide.

Location

Open in Google Maps
CarriesHorse Creek Camp R
CrossesOlema Creek
Location3.2 Miles South of Olema
RouteFederal Lands Road 0
CountyMarin County
StateCalifornia
Coordinates38.00201, -122.76074
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment6: Equal to present minimum criteria
Operating rating23 US tons
Inventory rating10 US tons

Structure

Structure typeOther
MaterialSteel
DeckWood or timber
Main spans1
Design loadUnknown
Structure length85 ft (25.8 m)
Longest span85 ft (25.8 m)
Deck width12 ft (3.7 m)
Roadway width11 ft (3.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2013)
Projected traffic24 by 2033
Trucks—
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerNational Park Service
Maintained byNational Park Service
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$68,000 (2017 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Horse Creek Camp R over Olema Creek built?

It was built in 1960, making it 65 years old in 2025.

What condition is Horse Creek Camp R over Olema 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 July 2023.

How much traffic does Horse Creek Camp R over Olema Creek carry?

About 20 vehicles per day (2013 count).

How long is Horse Creek Camp R over Olema Creek?

The structure is 85 ft (25.8 m) long with a longest span of 85 ft (25.8 m) and a deck 12 ft wide.

Who owns Horse Creek Camp R over Olema Creek?

It is owned by the National Park Service.