US Bridges

Consumnes Mine RD over North Fk Cosumnes River

PoorClosed to traffic

El Dorado County, California · 4.0 MI N/O Grizzily Ft RD · Structure no. 25C0102

Built
1958
67 years old
Condition
Poor
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
79 ft
1 main span
Daily traffic
950
2010 count
Owner
County
County Highway Agency

About this bridge

Consumnes Mine RD over North Fk Cosumnes River is a steel stringer/multi-beam or girder carrying Consumnes Mine RD over North Fk Cosumnes River in El Dorado 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 poor condition with a lowest component rating of 0 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. Its operating status is: closed to all traffic.

It carries about 950 vehicles a day, roughly 10% of them trucks, projected to reach 1,386 by 2043. The structure is 79 ft (24.1 m) long and 25 ft wide. If it were closed, the detour would be 24.9 mi (40 km).

CarriesConsumnes Mine RD
CrossesNorth Fk Cosumnes River
Location4.0 MI N/O Grizzily Ft RD
RouteCounty Highway 0
Coordinates38.66874, -120.53325
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
Deck0 FailedOut of service and beyond corrective action.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusClosed to all traffic
ScourUnknown foundation; not evaluated for scour
Structural evaluation0: Immediate repair necessary to put back in service
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating0 US tons
Inventory rating0 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans1
Design loadUnknown
Structure length79 ft (24.1 m)
Longest span75 ft (22.9 m)
Deck width25 ft (7.6 m)
Roadway width22 ft (6.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic950 (2010)
Projected traffic1,386 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.9 mi (40 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$672,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Consumnes Mine RD over North Fk Cosumnes River built?

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

What condition is Consumnes Mine RD over North Fk Cosumnes River 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 June 2023.

How much traffic does Consumnes Mine RD over North Fk Cosumnes River carry?

About 950 vehicles per day (2010 count), of which roughly 10% are trucks.

How long is Consumnes Mine RD over North Fk Cosumnes River?

The structure is 79 ft (24.1 m) long with a longest span of 75 ft (22.9 m) and a deck 25 ft wide.

Who owns Consumnes Mine RD over North Fk Cosumnes River?

It is owned by the County Highway Agency.