US Bridges

State Route 99 NB over Fulkerth Road

Good

Stanislaus County, California · 10-STA-099-R4.54-TUR · Structure no. 38 0142R

Built
1973
52 years old
Condition
Good
inspected March 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
128 ft
1 main span
Daily traffic
36,500
2009 count
Owner
State
State Highway Agency

About this bridge

State Route 99 NB over Fulkerth Road is a prestressed concrete box beam or girders - multiple carrying State Route 99 NB over Fulkerth Road in Stanislaus County, California. It was built in 1973, so it is 52 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 36,500 vehicles a day, roughly 17% of them trucks, projected to reach 47,139 by 2045. The structure is 128 ft (39 m) long and 53 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesState Route 99 NB
CrossesFulkerth Road
Location10-STA-099-R4.54-TUR
RouteState Highway 99
Coordinates37.50709, -120.87744
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.
Substructure7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.2 US tons
Inventory rating44.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length128 ft (39 m)
Longest span128 ft (38.9 m)
Deck width53 ft (16.2 m)
Roadway width51 ft (15.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic36,500 (2009)
Projected traffic47,139 by 2045
Trucks17%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 State Route 99 NB over Fulkerth Road built?

It was built in 1973, making it 52 years old in 2025.

What condition is State Route 99 NB over Fulkerth Road 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 March 2023.

How much traffic does State Route 99 NB over Fulkerth Road carry?

About 36,500 vehicles per day (2009 count), of which roughly 17% are trucks.

How long is State Route 99 NB over Fulkerth Road?

The structure is 128 ft (39 m) long with a longest span of 128 ft (38.9 m) and a deck 53 ft wide.

Who owns State Route 99 NB over Fulkerth Road?

It is owned by the State Highway Agency.