I-15 & Concordia over Sign Creek

Good Condition68 years old135,000 vehicles/day

Location

StateCalifornia
CountyRiverside
Location08-riv-015-27.50
CarriesI-15 & Concordia
CrossesSign Creek
Coordinates33.73349, -117.40633

Condition Ratings

Overall ConditionGood
Channel/Waterway8 (Very Good)
Culvert7 (Good)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialConcrete
DesignCulvert
Total Length32.2 ft (9.8 m)
Max Span9.8 ft (3 m)
Deck Width183.7 ft (56 m)
Deck Area548.8 sq m
Main Spans3
Year Built1958 (reconstructed 1980)

Traffic

Avg Daily Traffic135,000 (2022)
Truck Traffic13%
Lanes On Bridge6

Inspection & Ownership

Last Inspection224
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number56 0444

Nearby Bridges

Interstate 15 SB over Temescal Canyon Road 0.3 mi Good Interstate 15 NB over Temescal Canyon Road 0.3 mi Good Interstate 15 SB over Temescal Wash 0.6 mi Fair Interstate 15 NB over Temescal Wash 0.6 mi Fair Temescal Canyon RD over Temescal Wash 0.7 mi Good Interstate 15 NB over Lake Street 0.8 mi Good Interstate 15 SB over Lake Street 0.8 mi Good Lake Street over Temescal Wash 0.9 mi Fair Interstate 15 NB over Horsethief Cyn RD 1.3 mi Good Interstate 15 SB over Horsethief Cyn RD 1.3 mi Good