US Bridges

State Route 99 over Lake Draw

Good

Tehama County, California · 02-TEH-099-2.35 · Structure no. 08 0076

Built
1912
113 years old, rebuilt 1955
Condition
Good
inspected March 2023
Type
Culvert
Concrete Continuous
Length
32 ft
4 main spans
Daily traffic
11,500
2015 count
Owner
State
State Highway Agency

About this bridge

State Route 99 over Lake Draw is a concrete continuous culvert carrying State Route 99 over Lake Draw in Tehama County, California. It was built in 1912 and reconstructed in 1955, so it is 113 years old, older than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 11,500 vehicles a day, roughly 9% of them trucks, projected to reach 16,629 by 2040. The structure is 32 ft (9.8 m) long. If it were closed, the detour would be 26.7 mi (43 km).

CarriesState Route 99
CrossesLake Draw
Location02-TEH-099-2.35
RouteState Highway 99
Coordinates39.90869, -122.00646
Functional classRural Principal Arterial - Other

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating30 US tons
Inventory rating17.9 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans4
Design loadUnknown
Structure length32 ft (9.8 m)
Longest span7 ft (2.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,500 (2015)
Projected traffic16,629 by 2040
Trucks9%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed26.7 mi (43 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 State Route 99 over Lake Draw built?

It was built in 1912, making it 113 years old in 2025. It was reconstructed in 1955.

What condition is State Route 99 over Lake Draw in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in March 2023.

How much traffic does State Route 99 over Lake Draw carry?

About 11,500 vehicles per day (2015 count), of which roughly 9% are trucks.

How long is State Route 99 over Lake Draw?

The structure is 32 ft (9.8 m) long with a longest span of 7 ft (2.2 m).

Who owns State Route 99 over Lake Draw?

It is owned by the State Highway Agency.