US Bridges

Road 200A over Stony Creek

PoorPosted for load

Glenn County, California · 7 MI SW of Road 206 · Structure no. 11C0245

Built
1960
65 years old
Condition
Poor
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
500 ft
8 main spans
Daily traffic
63
2007 count
Owner
County
County Highway Agency

About this bridge

Road 200A over Stony Creek is a steel stringer/multi-beam or girder carrying Road 200A over Stony Creek in Glenn 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 2 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: posted for load restriction.

It carries about 63 vehicles a day, roughly 20% of them trucks, projected to reach 111 by 2043. The structure is 500 ft (152.4 m) long and 17 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesRoad 200A
CrossesStony Creek
Location7 MI SW of Road 206
RouteCounty Highway 0
Coordinates39.73216, -122.41486
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure2 CriticalAdvanced deterioration of primary structural elements. Bridge may be closed until corrective action is taken.
Channel and channel protection2 CriticalAdvanced deterioration of primary structural elements. Bridge may be closed until corrective action is taken.
Last inspectionAugust 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourScour critical; extensive scour has occurred
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating15 US tons
Inventory rating8.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans8
Design loadUnknown
Structure length500 ft (152.4 m)
Longest span62 ft (18.9 m)
Deck width17 ft (5.3 m)
Roadway width14 ft (4.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic63 (2007)
Projected traffic111 by 2043
Trucks20%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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$3.2 million (2017 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Road 200A over Stony Creek built?

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

What condition is Road 200A over Stony Creek 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 August 2024.

How much traffic does Road 200A over Stony Creek carry?

About 63 vehicles per day (2007 count), of which roughly 20% are trucks.

How long is Road 200A over Stony Creek?

The structure is 500 ft (152.4 m) long with a longest span of 62 ft (18.9 m) and a deck 17 ft wide.

Who owns Road 200A over Stony Creek?

It is owned by the County Highway Agency.