Imperial County, CA

448 public highway bridges

Imperial County Bridge Snapshot

According to the Federal Highway Administration's 2024 National Bridge Inventory, Imperial County, California contains 448 public highway bridges. Roughly 41.5% are rated “Good,” 37.5% “Fair,” and 8.7% “Poor.” Poor means the lowest applicable deck, superstructure, substructure, or culvert rating is 4 or below on the 0–9 NBI scale. It is a condition category, not a live safety or closure decision.

Responsible agencies inspect covered bridges on risk-based intervals under current NBIS rules and submit inventory data to FHWA annually. The list below shows every NBI-tracked bridge in the county. Use the “Sort by” controls to change the ordering, and click any row for its reported inspection date, traffic count, and condition fields.

Source: FHWA National Bridge Inventory. See methodology for full definitions.

448
Total Bridges
41.5%
Good
37.5%
Fair
8.7%
Poor Condition

Condition Distribution

Good
41.5% (186)
Fair
37.5% (168)
Poor
8.7% (39)

All Bridges (448)

INTERSTATE 8 EB

Good

Over: ALL AMER CANAL,SAND HLLS

11-IMP-008-81.69, Imperial, CA

Built 1961 Load: 30.1 t ADT: 7,250

INTERSTATE 8 WB

Good

Over: MOUNTAIN SPRINGS RD

11-IMP-008-R3.05L, Imperial, CA

Built 1963 Load: 30.1 t ADT: 7,105

STATE ROUTE 86 NB

Good

Over: TRIFOLIUM CANAL

11-IMP-086-R34.82, Imperial, CA

Built 1948 Load: 30.8 t ADT: 7,350

INTERSTATE 8 EB

Good

Over: BOULDER CREEK

11-IMP-008-R0.96R, Imperial, CA

Built 1964 Load: 30.8 t ADT: 5,423

INTERSTATE 8 WB

Good

Over: BOULDER CREEK

11-IMP-008-R0.87L, Imperial, CA

Built 1963 Load: 31.8 t ADT: 5,423

INTERSTATE 8 WB

Good

Over: SOUTH FORK COYOTE WASH

11-IMP-008-R14.46, Imperial, CA

Built 1968 Load: 32.1 t ADT: 6,200

INTERSTATE 8 EB

Good

Over: SOUTH FORK COYOTE WASH

11-IMP-008-R14.44, Imperial, CA

Built 1968 Load: 32.1 t ADT: 6,200

STATE ROUTE 86 NB

Good

Over: CENTRAL MAIN CANAL

11-IMP-086-17.86, Imperial, CA

Built 1982 Load: 32.4 t ADT: 7,700

STATE ROUTE 115

Good

Over: ALAMO RIVER

11-IMP-115-L10.31-HOLT, Imperial, CA

Built 1955 Load: 32.4 t ADT: 5,400

STATE ROUTE 86 SB

Good

Over: SAN FELIPE CREEK

11-IMP-086-43.30, Imperial, CA

Built 1987 Load: 32.4 t ADT: 6,150

STATE ROUTE 86 SB

Good

Over: TRIFOLIUM/WESTSIDE MAIN

11-IMP-086-R24.79, Imperial, CA

Built 1997 Load: 32.4 t ADT: 5,700

STATE ROUTE 86 NB

Good

Over: TRIFOLIUM/WESTSIDE MAIN

11-IMP-086-R24.77, Imperial, CA

Built 1962 Load: 32.4 t ADT: 5,700

STATE ROUTE 86 SB

Good

Over: TAMARACK (WESTSIDE MAIN)

11-IMP-086-R22.93, Imperial, CA

Built 1998 Load: 32.4 t ADT: 5,700

STATE ROUTE 86 NB

Good

Over: TAMARACK (WESTSIDE MAIN)

11-IMP-086-R22.96, Imperial, CA

Built 1962 Load: 32.4 t ADT: 5,700

STATE ROUTE 86 NB

Good

Over: LONE TREE WASH

11-IMP-086-R37.23, Imperial, CA

Built 1947 Load: 32.4 t ADT: 7,350

STATE ROUTE 86 NB

Good

Over: ZENAS DITCH

11-IMP-086-55.50, Imperial, CA

Built 1959 Load: 32.4 t ADT: 7,550

STATE ROUTE 86 SB

Good

Over: BILOXI DITCH

11-IMP-086-56.36, Imperial, CA

Built 1989 Load: 32.4 t ADT: 7,300

STATE ROUTE 86 SB

Good

Over: IBERIA DITCH

11-IMP-086-56.60, Imperial, CA

Built 1989 Load: 32.4 t ADT: 7,300

STATE ROUTE 86 SB

Good

Over: BERSA DITCH

11-IMP-086-60.15, Imperial, CA

Built 1989 Load: 32.4 t ADT: 7,300

STATE ROUTE 86 SB

Good

Over: TESLA WASH

11-IMP-086-60.47, Imperial, CA

Built 1989 Load: 32.4 t ADT: 7,300

STATE ROUTE 86 SB

Good

Over: VALERIE WASH

11-IMP-086-60.57, Imperial, CA

Built 1989 Load: 32.4 t ADT: 7,300

STATE ROUTE 86 SB

Good

Over: VIRGO WASH

11-IMP-086-60.90, Imperial, CA

Built 1989 Load: 32.4 t ADT: 7,300

STATE ROUTE 86 SB

Good

Over: ASTER DITCH

11-IMP-086-61.24, Imperial, CA

Built 1990 Load: 32.4 t ADT: 7,300

STATE ROUTE 86 SB

Good

Over: VERBENA DITCH

11-IMP-086-61.37, Imperial, CA

Built 1990 Load: 32.4 t ADT: 7,300

STATE ROUTE 86 SB

Good

Over: IBYCUS DITCH

11-IMP-086-61.55, Imperial, CA

Built 1990 Load: 32.4 t ADT: 7,300

STATE ROUTE 86 SB

Good

Over: TALOFA DITCH

11-IMP-086-61.80, Imperial, CA

Built 1990 Load: 32.4 t ADT: 7,300

STATE ROUTE 86 SB

Good

Over: TONALEE DITCH

11-IMP-086-62.20, Imperial, CA

Built 1990 Load: 32.4 t ADT: 7,300

STATE ROUTE 86 SB

Good

Over: DAROCA DITCH

11-IMP-086-62.31, Imperial, CA

Built 1990 Load: 32.4 t ADT: 7,300

STATE ROUTE 86 SB

Good

Over: BEXAR DITCH

11-IMP-086-62.65, Imperial, CA

Built 1990 Load: 32.4 t ADT: 7,300

STATE ROUTE 86 SB

Good

Over: TORTIF DITCH

11-IMP-086-62.98, Imperial, CA

Built 1990 Load: 32.4 t ADT: 7,300

STATE ROUTE 86 SB

Good

Over: FOLIUS DITCH

11-IMP-086-63.13, Imperial, CA

Built 1990 Load: 32.4 t ADT: 7,100

STATE ROUTE 86 SB

Good

Over: FLORIS DITCH

11-IMP-086-63.21, Imperial, CA

Built 1990 Load: 32.4 t ADT: 7,100

STATE ROUTE 86 SB

Good

Over: ENCILIA DITCH

11-IMP-086-63.49, Imperial, CA

Built 1990 Load: 32.4 t ADT: 7,300

STATE ROUTE 86 SB

Good

Over: FARINOSA DITCH

11-IMP-086-63.79, Imperial, CA

Built 1990 Load: 32.4 t ADT: 7,200

STATE ROUTE 86 SB

Good

Over: CALYX DITCH

11-IMP-086-64.33, Imperial, CA

Built 1990 Load: 32.4 t ADT: 7,200

STATE ROUTE 86 SB

Good

Over: PAROSA DITCH

11-IMP-086-65.00, Imperial, CA

Built 1990 Load: 32.4 t ADT: 7,200

STATE ROUTE 86 SB

Good

Over: ZANTHE DITCH

11-IMP-086-65.22, Imperial, CA

Built 1990 Load: 32.4 t ADT: 7,200

STATE ROUTE 86 SB

Good

Over: SHORELINE DITCH

11-IMP-086-65.68, Imperial, CA

Built 1989 Load: 32.4 t ADT: 7,200

INTERSTATE 8

Good

Over: SAND HILLS DITCH

11-IMP-008-R83.71, Imperial, CA

Built 1970 Load: 32.4 t ADT: 14,500

INTERSTATE 8

Good

Over: OGILBY DITCH

11-IMP-008-R83.99, Imperial, CA

Built 1970 Load: 32.4 t ADT: 15,100

INTERSTATE 8

Good

Over: PACK DITCH

11-IMP-008-R84.40, Imperial, CA

Built 1970 Load: 32.4 t ADT: 15,100

INTERSTATE 8

Good

Over: GUSTO DITCH

11-IMP-008-R84.84, Imperial, CA

Built 1970 Load: 32.4 t ADT: 15,100

INTERSTATE 8

Good

Over: CERTO DITCH

11-IMP-008-R85.16, Imperial, CA

Built 1970 Load: 32.4 t ADT: 15,100

INTERSTATE 8

Good

Over: SHACK DITCH

11-IMP-008-R85.46, Imperial, CA

Built 1970 Load: 32.4 t ADT: 15,100

INTERSTATE 8

Good

Over: JACKSON GULCH

11-IMP-008-R85.80, Imperial, CA

Built 1970 Load: 32.4 t ADT: 15,100

INTERSTATE 8

Good

Over: BOTTLE DITCH

11-IMP-008-R86.16, Imperial, CA

Built 1970 Load: 32.4 t ADT: 15,100

INTERSTATE 8

Good

Over: BERM DITCH

11-IMP-008-R86.66, Imperial, CA

Built 1970 Load: 32.4 t ADT: 15,100

INTERSTATE 8

Good

Over: ACME DITCH

11-IMP-008-R87.11, Imperial, CA

Built 1970 Load: 32.4 t ADT: 15,100

INTERSTATE 8

Good

Over: PLATE DITCH

11-IMP-008-R87.58, Imperial, CA

Built 1970 Load: 32.4 t ADT: 15,100

INTERSTATE 8

Good

Over: TRIANGLE DITCH

11-IMP-008-R88.12, Imperial, CA

Built 1970 Load: 32.4 t ADT: 15,100

Read our methodology - how this data is sourced, computed, and verified.

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Data sourced from official public datasets. See our methodology for details. Retrieved and formatted by PlainBridges

Every figure on PlainBridge is rendered directly from federal source data, no number is typed in by an editor. This page draws directly on federal source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.