State Route 99 over Vallombrosa Big Chico

Good Condition63 years old24,750 vehicles/day

Location

StateCalifornia
CountyButte
Location03-but-099-r32.61-chc
CarriesState Route 99
CrossesVallombrosa Big Chico
Coordinates39.73858, -121.82197

Condition Ratings

Overall ConditionGood
Deck7 (Good)
Superstructure7 (Good)
Substructure7 (Good)
Channel/Waterway7 (Good)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialConcrete Continuous
DesignBox Beam - Multiple
Total Length762.1 ft (232.3 m)
Max Span62.0 ft (18.9 m)
Deck Width118.1 ft (36 m)
Deck Area8362.8 sq m
Main Spans14
Year Built1963 (reconstructed 2014)

Traffic

Avg Daily Traffic24,750 (2020)
Truck Traffic7%
Lanes On Bridge7
Lanes Under Bridge2

Inspection & Ownership

Last Inspection523
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number12 0151

Nearby Bridges

State Route 99 SB over State Route 32 WB 0.2 mi Good State Route 99 NB over State Route 32 WB 0.2 mi Good State Route 99 SB over State Route 32 EB 0.2 mi Good State Route 99 NB over State Route 32 EB 0.2 mi Good Bruce ST over Little Chico Creek 0.4 mi Fair State Route 99 SB over Little Chico Creek 0.4 mi Fair State Route 99 NB over Little Chico Creek 0.4 mi Fair State Route 99 over Palmetto AVE 0.5 mi Fair Boucher Street over Little Chico Creek 0.6 mi Fair State Route 99 NB over East First AVE 0.7 mi Good