US Bridges

Offrmp SB99-JACKTN over Onramp Jacktone Rd-Sb 99

Good

San Joaquin County, California · 10-SJ-099-2.33-RIP · Structure no. 29 0314K

Built
2001
24 years old
Condition
Good
inspected October 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
112 ft
1 main span
Daily traffic
5,000
2016 count
Owner
State
State Highway Agency

About this bridge

Offrmp SB99-JACKTN over Onramp Jacktone Rd-Sb 99 is a prestressed concrete box beam or girders - single or spread carrying Offrmp SB99-JACKTN over Onramp Jacktone Rd-Sb 99 in San Joaquin County, California. It was built in 2001, so it is 24 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 5,000 vehicles a day, roughly 5% of them trucks, projected to reach 7,658 by 2044. The structure is 112 ft (34 m) long and 51 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesOffrmp SB99-JACKTN
CrossesOnramp Jacktone Rd-Sb 99
Location10-SJ-099-2.33-RIP
RouteState Highway 99
Coordinates37.75212, -121.14227
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.
Substructure8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length112 ft (34 m)
Longest span112 ft (34 m)
Deck width51 ft (15.5 m)
Roadway width47 ft (14.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,000 (2016)
Projected traffic7,658 by 2044
Trucks5%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Offrmp SB99-JACKTN over Onramp Jacktone Rd-Sb 99 built?

It was built in 2001, making it 24 years old in 2025.

What condition is Offrmp SB99-JACKTN over Onramp Jacktone Rd-Sb 99 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 2024.

How much traffic does Offrmp SB99-JACKTN over Onramp Jacktone Rd-Sb 99 carry?

About 5,000 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Offrmp SB99-JACKTN over Onramp Jacktone Rd-Sb 99?

The structure is 112 ft (34 m) long with a longest span of 112 ft (34 m) and a deck 51 ft wide.

Who owns Offrmp SB99-JACKTN over Onramp Jacktone Rd-Sb 99?

It is owned by the State Highway Agency.