US Bridges

Laramie ST over Markleeville Creek

Fair

Alpine County, California · E/O Montgomery ST · Structure no. 31C0003

Built
1958
67 years old
Condition
Fair
inspected September 2023
Type
Slab
Concrete Continuous
Length
73 ft
3 main spans
Daily traffic
200
1981 count
Owner
County
County Highway Agency

About this bridge

Laramie ST over Markleeville Creek is a concrete continuous slab carrying Laramie ST over Markleeville Creek in Alpine County, California. It was built in 1958, so it is 67 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 200 vehicles a day, roughly 3% of them trucks, projected to reach 109 by 2041. The structure is 73 ft (22.3 m) long and 25 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesLaramie ST
CrossesMarkleeville Creek
LocationE/O Montgomery ST
RouteCounty Highway 0
CountyAlpine County
StateCalifornia
Coordinates38.69316, -119.78169
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating69.7 US tons
Inventory rating42.1 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length73 ft (22.3 m)
Longest span28 ft (8.5 m)
Deck width25 ft (7.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (1981)
Projected traffic109 by 2041
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 Laramie ST over Markleeville Creek built?

It was built in 1958, making it 67 years old in 2025.

What condition is Laramie ST over Markleeville 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 Laramie ST over Markleeville Creek carry?

About 200 vehicles per day (1981 count), of which roughly 3% are trucks.

How long is Laramie ST over Markleeville Creek?

The structure is 73 ft (22.3 m) long with a longest span of 28 ft (8.5 m) and a deck 25 ft wide.

Who owns Laramie ST over Markleeville Creek?

It is owned by the County Highway Agency.