US Bridges

Gavin Mandry Drive over Branch of Best Slough CR

Good

Yuba County, California · 1.95 Miles East of Inters · Structure no. AFCABAEY03111

Built
2022
3 years old
Condition
Good
inspected October 2023
Type
Slab
Concrete
Length
44 ft
1 main span
Daily traffic
200
2022 count
Owner
Federal
Air Force

About this bridge

Gavin Mandry Drive over Branch of Best Slough CR is a concrete slab carrying Gavin Mandry Drive over Branch of Best Slough CR in Yuba County, California. It was built in 2022, so it is 3 years old, younger 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 200 vehicles a day, roughly 10% of them trucks, projected to reach 220 by 2042. The structure is 44 ft (13.4 m) long and 35 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesGavin Mandry Drive
CrossesBranch of Best Slough CR
Location1.95 Miles East of Inters
Coordinates39.10053, -121.35447
Functional classRural Local

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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length44 ft (13.4 m)
Longest span39 ft (12 m)
Deck width35 ft (10.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2022)
Projected traffic220 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerAir Force
Maintained byAir Force
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$8,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Gavin Mandry Drive over Branch of Best Slough CR built?

It was built in 2022, making it 3 years old in 2025.

What condition is Gavin Mandry Drive over Branch of Best Slough CR 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 October 2023.

How much traffic does Gavin Mandry Drive over Branch of Best Slough CR carry?

About 200 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is Gavin Mandry Drive over Branch of Best Slough CR?

The structure is 44 ft (13.4 m) long with a longest span of 39 ft (12 m) and a deck 35 ft wide.

Who owns Gavin Mandry Drive over Branch of Best Slough CR?

It is owned by the Air Force.