State Route 115 over Alamo River

Good Condition71 years old5,400 vehicles/day

Location

StateCalifornia
CountyImperial
Location11-imp-115-l10.31-holt
CarriesState Route 115
CrossesAlamo River
Coordinates32.80772, -115.38814

Condition Ratings

Overall ConditionGood
Deck7 (Good)
Superstructure8 (Very Good)
Substructure7 (Good)
Channel/Waterway8 (Very Good)
Scour Critical5 — Stable for scour

Physical Characteristics

MaterialConcrete Continuous
DesignTee Beam
Total Length252.0 ft (76.8 m)
Max Span44.9 ft (13.7 m)
Deck Width45.9 ft (14 m)
Deck Area1075.2 sq m
Main Spans6
Year Built1955 (reconstructed 1990)

Traffic

Avg Daily Traffic5,400 (2018)
Truck Traffic40%
Lanes On Bridge2

Inspection & Ownership

Last InspectionOctober 2024
Inspection FrequencyEvery 48 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number58 0007

Nearby Bridges