Structure 23 0125L · Solano County, CA

Interstate 780 EB over East 2nd Street

Carries Interstate 780 EB over East 2nd Street, 04-sol-780-2.01-ben.

Overall conditionGood

Set by its lowest-rated component: Deck and Superstructure and Substructure at 7 of 9.

How ratings work
Decksets the rating7/9 · Good
Superstructuresets the rating7/9 · Good
Substructuresets the rating7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT86 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 7/9

86 ft end to end. Lengths and the car on the deck are drawn to the same scale. Each part is colored by its latest inspection rating. The inventory records lengths but not heights or the layout of the shorter spans, so those are drawn as typical for a tee-beam bridge.

Built196264 years old
Length85.6 ft26.1 m
Daily traffic23,500counted 2009
Last inspectedDecember 2023every 24 months

Location

StateCalifornia
CountySolano
Location04-sol-780-2.01-ben
CarriesInterstate 780 EB
CrossesEast 2nd Street
Coordinates38.05796, -122.14979

Physical Characteristics

MaterialPrestressed Concrete
DesignTee Beam
Total Length85.6 ft (26.1 m)
Max Span77.8 ft (23.7 m)
Deck Width41.7 ft (12.7 m)
Deck Area331.5 sq m
Main Spans1
Year Built1962

Traffic

Avg Daily Traffic23,500 (2009)
Truck Traffic5%
Lanes On Bridge2
Lanes Under Bridge3

Inspection & Ownership

Last InspectionDecember 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number23 0125L

How Bridge Ratings Work

Inspectors rate each major part of a bridge (the deck you drive on, the superstructure of beams that holds it up, and the substructure of piers and abutments beneath) on a 0–9 scale. A bridge's overall condition is its lowest of those ratings, so one deteriorated component makes the whole bridge "poor."

0Failed
1Imminent failure
2Critical
3Serious
4Poor
5Fair
6Satisfactory
7Good
8Very good
9Excellent
Good · lowest component 7–9
Fair · lowest component 5–6
Poor · lowest component 0–4

A poor rating is not a closure. It means the bridge is flagged for priority repair or replacement; bridges judged unsafe are closed or posted with weight limits. The waterway (channel) rating is reported, but it does not count toward the overall classification.

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