US Bridges

Peltier Road over State Route 99

Fair

San Joaquin County, California · 10-SJ-099-34.58 · Structure no. 29 0147

Built
1957
68 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
168 ft
4 main spans
Daily traffic
2,000
2014 count
Owner
State
State Highway Agency

About this bridge

Peltier Road over State Route 99 is a steel stringer/multi-beam or girder carrying Peltier Road over State Route 99 in San Joaquin County, California. It was built in 1957, so it is 68 years old, older than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 2,000 vehicles a day, roughly 15% of them trucks, projected to reach 2,431 by 2042. The structure is 168 ft (51.2 m) long and 34 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesPeltier Road
CrossesState Route 99
Location10-SJ-099-34.58
RouteCounty Highway 0W816
Coordinates38.18917, -121.26303
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating60.4 US tons
Inventory rating36 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length168 ft (51.2 m)
Longest span58 ft (17.7 m)
Deck width34 ft (10.3 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,000 (2014)
Projected traffic2,431 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

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 Peltier Road over State Route 99 built?

It was built in 1957, making it 68 years old in 2025.

What condition is Peltier Road over State Route 99 in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in July 2024.

How much traffic does Peltier Road over State Route 99 carry?

About 2,000 vehicles per day (2014 count), of which roughly 15% are trucks.

How long is Peltier Road over State Route 99?

The structure is 168 ft (51.2 m) long with a longest span of 58 ft (17.7 m) and a deck 34 ft wide.

Who owns Peltier Road over State Route 99?

It is owned by the State Highway Agency.