US Bridges

Road D over Shoat Draw

Fair

Glenn County, California · 0.9 MI S/O Road 65 · Structure no. 11C0175

Built
1950
75 years old, rebuilt 1966
Condition
Fair
inspected January 2025
Type
Culvert
Concrete Continuous
Length
38 ft
3 main spans
Daily traffic
280
2015 count
Owner
County
County Highway Agency

About this bridge

Road D over Shoat Draw is a concrete continuous culvert carrying Road D over Shoat Draw in Glenn County, California. It was built in 1950 and reconstructed in 1966, so it is 75 years old, older 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.

It carries about 280 vehicles a day, roughly 10% of them trucks, projected to reach 328 by 2047. The structure is 38 ft (11.6 m) long and 32 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesRoad D
CrossesShoat Draw
Location0.9 MI S/O Road 65
RouteCounty Highway 0
Coordinates39.42308, -122.24844
Functional classRural Minor 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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length38 ft (11.6 m)
Longest span12 ft (3.7 m)
Deck width32 ft (9.7 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic280 (2015)
Projected traffic328 by 2047
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 Road D over Shoat Draw built?

It was built in 1950, making it 75 years old in 2025. It was reconstructed in 1966.

What condition is Road D over Shoat Draw 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 January 2025.

How much traffic does Road D over Shoat Draw carry?

About 280 vehicles per day (2015 count), of which roughly 10% are trucks.

How long is Road D over Shoat Draw?

The structure is 38 ft (11.6 m) long with a longest span of 12 ft (3.7 m) and a deck 32 ft wide.

Who owns Road D over Shoat Draw?

It is owned by the County Highway Agency.