US Bridges

State Route 99 over Junction Draw

Good

Butte County, California · 03-BUT-099-13.25 · Structure no. 12 0118

Built
1952
73 years old
Condition
Good
inspected May 2023
Type
Slab
Concrete Continuous
Length
54 ft
2 main spans
Daily traffic
10,000
2020 count
Owner
State
State Highway Agency

About this bridge

State Route 99 over Junction Draw is a concrete continuous slab carrying State Route 99 over Junction Draw in Butte County, California. It was built in 1952, so it is 73 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 10,000 vehicles a day, roughly 10% of them trucks, projected to reach 20,814 by 2041. The structure is 54 ft (16.5 m) long and 44 ft wide. If it were closed, the detour would be 13 mi (21 km).

CarriesState Route 99
CrossesJunction Draw
Location03-BUT-099-13.25
RouteState Highway 99
Coordinates39.49559, -121.68861
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.2 US tons
Inventory rating28.2 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length54 ft (16.5 m)
Longest span26 ft (7.9 m)
Deck width44 ft (13.4 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,000 (2020)
Projected traffic20,814 by 2041
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13 mi (21 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 Junction Draw built?

It was built in 1952, making it 73 years old in 2025.

What condition is State Route 99 over Junction 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 May 2023.

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

About 10,000 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is State Route 99 over Junction Draw?

The structure is 54 ft (16.5 m) long with a longest span of 26 ft (7.9 m) and a deck 44 ft wide.

Who owns State Route 99 over Junction Draw?

It is owned by the State Highway Agency.