US Bridges

Gavin Mandry Drive over Best Slough Creek

Good

Yuba County, California · 2.0 Miles East of Interse · Structure no. AFCABAEY03112

Built
2022
3 years old
Condition
Good
inspected October 2023
Type
Box Beam or Girders - Single or Spread
Concrete Continuous
Length
140 ft
2 main spans
Daily traffic
400
2022 count
Owner
Federal
Air Force

About this bridge

Gavin Mandry Drive over Best Slough Creek is a concrete continuous box beam or girders - single or spread carrying Gavin Mandry Drive over Best Slough Creek 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 400 vehicles a day, projected to reach 480 by 2042. The structure is 140 ft (42.7 m) long and 35 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesGavin Mandry Drive
CrossesBest Slough Creek
Location2.0 Miles East of Interse
Coordinates39.10026, -121.35391
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.
Substructure7 GoodSome minor problems.
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 rating86 US tons
Inventory rating67 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length140 ft (42.7 m)
Longest span66 ft (20 m)
Deck width35 ft (10.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic400 (2022)
Projected traffic480 by 2042
Trucks0%
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$23,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Gavin Mandry Drive over Best Slough Creek built?

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

What condition is Gavin Mandry Drive over Best Slough Creek 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 Best Slough Creek carry?

About 400 vehicles per day (2022 count).

How long is Gavin Mandry Drive over Best Slough Creek?

The structure is 140 ft (42.7 m) long with a longest span of 66 ft (20 m) and a deck 35 ft wide.

Who owns Gavin Mandry Drive over Best Slough Creek?

It is owned by the Air Force.