US Bridges

Pleasant Grove RD over Markham Ravine

Fair

Sutter County, California · 11.2 MI N Sac CO Line · Structure no. 18C0070

Built
1988
37 years old
Condition
Fair
inspected February 2025
Type
Slab
Concrete Continuous
Length
45 ft
2 main spans
Daily traffic
2,009
2015 count
Owner
County
County Highway Agency

About this bridge

Pleasant Grove RD over Markham Ravine is a concrete continuous slab carrying Pleasant Grove RD over Markham Ravine in Sutter County, California. It was built in 1988, so it is 37 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 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 2,009 vehicles a day, roughly 5% of them trucks, projected to reach 3,260 by 2047. The structure is 45 ft (13.7 m) long and 38 ft wide. If it were closed, the detour would be 13 mi (21 km).

Location

Open in Google Maps
CarriesPleasant Grove RD
CrossesMarkham Ravine
Location11.2 MI N Sac CO Line
RouteCounty Highway 0
CountySutter County
StateCalifornia
Coordinates38.88483, -121.48786
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 protection7 GoodSome minor problems.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length45 ft (13.7 m)
Longest span21 ft (6.5 m)
Deck width38 ft (11.6 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,009 (2015)
Projected traffic3,260 by 2047
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13 mi (21 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 Pleasant Grove RD over Markham Ravine built?

It was built in 1988, making it 37 years old in 2025.

What condition is Pleasant Grove RD over Markham Ravine 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 February 2025.

How much traffic does Pleasant Grove RD over Markham Ravine carry?

About 2,009 vehicles per day (2015 count), of which roughly 5% are trucks.

How long is Pleasant Grove RD over Markham Ravine?

The structure is 45 ft (13.7 m) long with a longest span of 21 ft (6.5 m) and a deck 38 ft wide.

Who owns Pleasant Grove RD over Markham Ravine?

It is owned by the County Highway Agency.