US Bridges

Forsythe RD over Indiana Creek

Fair

Yuba County, California · 3 MI N of Marysville RD · Structure no. 16C0088

Built
1975
50 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
43 ft
1 main span
Daily traffic
100
2011 count
Owner
County
County Highway Agency

About this bridge

Forsythe RD over Indiana Creek is a steel stringer/multi-beam or girder carrying Forsythe RD over Indiana Creek in Yuba County, California. It was built in 1975, so it is 50 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 100 vehicles a day, roughly 3% of them trucks, projected to reach 55 by 2045. The structure is 43 ft (13.2 m) long and 19 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesForsythe RD
CrossesIndiana Creek
Location3 MI N of Marysville RD
RouteCounty Highway 0
CountyYuba County
StateCalifornia
Coordinates39.40863, -121.22789
Functional classRural Local

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating46.4 US tons
Inventory rating27.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadUnknown
Structure length43 ft (13.2 m)
Longest span40 ft (12.2 m)
Deck width19 ft (5.7 m)
Roadway width19 ft (5.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2011)
Projected traffic55 by 2045
Trucks3%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Forsythe RD over Indiana Creek built?

It was built in 1975, making it 50 years old in 2025.

What condition is Forsythe RD over Indiana 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 July 2023.

How much traffic does Forsythe RD over Indiana Creek carry?

About 100 vehicles per day (2011 count), of which roughly 3% are trucks.

How long is Forsythe RD over Indiana Creek?

The structure is 43 ft (13.2 m) long with a longest span of 40 ft (12.2 m) and a deck 19 ft wide.

Who owns Forsythe RD over Indiana Creek?

It is owned by the County Highway Agency.