US Bridges

N99-CHEROKEE Lane over State Route 99

Good

San Joaquin County, California · 10-SJ-099-29.00 · Structure no. 29 0139S

Built
1963
62 years old
Condition
Good
inspected July 2024
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
309 ft
4 main spans
Daily traffic
2,000
2014 count
Owner
State
State Highway Agency

About this bridge

N99-CHEROKEE Lane over State Route 99 is a concrete continuous box beam or girders - multiple carrying N99-CHEROKEE Lane over State Route 99 in San Joaquin County, California. It was built in 1963, so it is 62 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 2,000 vehicles a day, roughly 7% of them trucks, projected to reach 3,314 by 2042. The structure is 309 ft (94.2 m) long and 26 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesN99-CHEROKEE Lane
CrossesState Route 99
Location10-SJ-099-29.00
RouteState Highway 99
Coordinates38.10946, -121.25972
Functional classUrban Principal Arterial - Other Freeway or Expressway

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 inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating42.9 US tons
Inventory rating33.2 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length309 ft (94.2 m)
Longest span100 ft (30.5 m)
Deck width26 ft (8 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,000 (2014)
Projected traffic3,314 by 2042
Trucks7%
Lanes on structure1
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 N99-CHEROKEE Lane over State Route 99 built?

It was built in 1963, making it 62 years old in 2025.

What condition is N99-CHEROKEE Lane over State Route 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 July 2024.

How much traffic does N99-CHEROKEE Lane over State Route 99 carry?

About 2,000 vehicles per day (2014 count), of which roughly 7% are trucks.

How long is N99-CHEROKEE Lane over State Route 99?

The structure is 309 ft (94.2 m) long with a longest span of 100 ft (30.5 m) and a deck 26 ft wide.

Who owns N99-CHEROKEE Lane over State Route 99?

It is owned by the State Highway Agency.