US Bridges

Lawrence Road over South Fork Cosumnes Riv

Poor

Amador County, California · El Dorado CO Line · Structure no. 26C0028

Built
1960
65 years old
Condition
Poor
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
68 ft
2 main spans
Daily traffic
25
2013 count
Owner
County
County Highway Agency

About this bridge

Lawrence Road over South Fork Cosumnes Riv is a steel stringer/multi-beam or girder carrying Lawrence Road over South Fork Cosumnes Riv in Amador 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 25 vehicles a day, projected to reach 52 by 2042. The structure is 68 ft (20.8 m) long and 10 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesLawrence Road
CrossesSouth Fork Cosumnes Riv
LocationEl Dorado CO Line
RouteCounty Highway 0
Coordinates38.54726, -120.72454
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating41.4 US tons
Inventory rating24.7 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length68 ft (20.8 m)
Longest span32 ft (9.9 m)
Deck width10 ft (3 m)
Roadway width10 ft (2.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2013)
Projected traffic52 by 2042
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$243,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Lawrence Road over South Fork Cosumnes Riv built?

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

What condition is Lawrence Road over South Fork Cosumnes Riv in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in April 2024.

How much traffic does Lawrence Road over South Fork Cosumnes Riv carry?

About 25 vehicles per day (2013 count).

How long is Lawrence Road over South Fork Cosumnes Riv?

The structure is 68 ft (20.8 m) long with a longest span of 32 ft (9.9 m) and a deck 10 ft wide.

Who owns Lawrence Road over South Fork Cosumnes Riv?

It is owned by the County Highway Agency.