US Bridges

IRR BIA RTE 226 over Stony River

FairClosed to traffic

Glenn County, California · In Grindstone · Structure no. 00000000000J008

Built
1977
48 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Concrete Continuous
Length
218 ft
3 main spans
Daily traffic
—
2023 count
Owner
Federal
Bureau of Indian Affairs

About this bridge

IRR BIA RTE 226 over Stony River is a concrete continuous stringer/multi-beam or girder carrying IRR BIA RTE 226 over Stony River in Glenn County, California. It was built in 1977, so it is 48 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: closed to all traffic.

No traffic count is recorded. The structure is 218 ft (66.5 m) long and 15 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesIRR BIA RTE 226
CrossesStony River
LocationIn Grindstone
RouteFederal Lands Road 226
Coordinates39.67092, -122.52058
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusClosed to all traffic
ScourScour critical; failure of piers or abutments is imminent
Structural evaluation0: Immediate repair necessary to put back in service
Deck geometry6: Equal to present minimum criteria
Waterway adequacy0: Immediate repair necessary to put back in service
Approach roadway alignment0: Immediate repair necessary to put back in service
Operating rating0 US tons
Inventory rating0 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length218 ft (66.5 m)
Longest span87 ft (26.4 m)
Deck width15 ft (4.5 m)
Roadway width14 ft (4.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic—
Projected traffic30 by 2032
Trucks0%
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

OwnerBureau of Indian Affairs
Maintained byBureau of Indian Affairs
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$3.7 million (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was IRR BIA RTE 226 over Stony River built?

It was built in 1977, making it 48 years old in 2025.

What condition is IRR BIA RTE 226 over Stony River 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 May 2023.

How much traffic does IRR BIA RTE 226 over Stony River carry?

No traffic count is recorded for this structure.

How long is IRR BIA RTE 226 over Stony River?

The structure is 218 ft (66.5 m) long with a longest span of 87 ft (26.4 m) and a deck 15 ft wide.

Who owns IRR BIA RTE 226 over Stony River?

It is owned by the Bureau of Indian Affairs.