Jefferson County, CO

464 public highway bridges

Jefferson County Bridge Snapshot

According to the Federal Highway Administration's 2024 National Bridge Inventory, Jefferson County, Colorado contains 464 public highway bridges. Roughly 29.3% are rated “Good,” 50% “Fair,” and 3.9% “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.

464
Total Bridges
29.3%
Good
50%
Fair
3.9%
Poor Condition

Condition Distribution

Good
29.3% (136)
Fair
50% (232)
Poor
3.9% (18)

All Bridges (464)

SH 470 ML WBND

Unknown

Over: I 70 ML

JCT. I70 & 470, Jefferson, CO

Built 1987 ADT: 90,000

SH 470 ML EBND

Unknown

Over: I 70 ML

I 70 AND SH 470 INTERSECT, Jefferson, CO

Built 1987 ADT: 90,000

RAMP TO SH470 EBND

Unknown

Over: SH W470 ML R

I70 WBND to 470 EBND RAMP, Jefferson, CO

Built 1988 ADT: 23,000

SH 470 ML WBND

Unknown

Over: SH 8, BEAR CREEK

MORRISON RD. INTERCHANGE, Jefferson, CO

Built 1989 ADT: 11,000

SH 470 ML EBND

Unknown

Over: SH 8, BEAR CREEK

MORRISON RD. INTERCHANGE, Jefferson, CO

Built 1989 ADT: 11,000

DENVER WEST BLVD

Unknown

Over: I 70 ML

0.9 MI E OF JCT US 40, Jefferson, CO

Built 1996 ADT: 23,250

SH 470 ML EBND

Unknown

Over: SH 121-WADSWORTH BLVD

13.9 MI E - JCT SH 470 +, Jefferson, CO

Built 1987 ADT: 24,000

SH 470 ML WBND

Unknown

Over: SH 121-WADSWORTH BLVD

3.2 MI W - JCT US 85 + SH, Jefferson, CO

Built 1987 ADT: 24,000

SH 470 ML WBND

Unknown

Over: US 285 ML

2 MI S OF MORRISON, Jefferson, CO

Built 1988 ADT: 28,000

SH 470 ML EBND

Unknown

Over: US 285 ML

2 MI S OF MORRISON, Jefferson, CO

Built 1988 ADT: 28,000

QUINCY AVE

Unknown

Over: SH 470 ML

0.5 MI SE OF SH470+US285, Jefferson, CO

Built 1989 ADT: 7,906

ROONEY ROAD

Unknown

Over: SB C470 TO WB I70 RMP

I70 RAMP AT ROONEY RD., Jefferson, CO

Built 2004 ADT: 8,400

BOWLES AVE

Unknown

Over: SH 470 ML

1.1 MI S OF BELLEVIEW, Jefferson, CO

Built 1990 ADT: 4,800

US 6 ML

Unknown

Over: SH 121 ML

IN LAKEWOOD, Jefferson, CO

Built 1972 ADT: 56,000

US 285 ML

Unknown

Over: KIPLING PARKWAY

1.5 MI W OF JCT SH 121, Jefferson, CO

Built 1991 ADT: 44,000

US 285 ML

Unknown

Over: ESTES ST

HAMPDEN .75 MI E OF SH 39, Jefferson, CO

Built 1991

US 285 ML

Unknown

Over: COUNTY ROAD 60

0.9 MI E OF JCT SH 8, Jefferson, CO

Built 2008

US 285 ML

Unknown

Over: WILLOW SPRINGS ROAD

0.3 MI E OF JCT SH 8, Jefferson, CO

Built 2008

PARMALEE GULCH RD.

Unknown

Over: US 285 ML

2.5 MILES SW OF SH 8, Jefferson, CO

Built 1993 ADT: 22,000

JCT 470W

Unknown

Over: US 40 ML & LENA GULCH

I 70 TO US 6, Jefferson, CO

Built 1999 ADT: 10,000

SH 470 RAMP

Unknown

Over: US 6 ML

NEAR GOLDEN, Jefferson, CO

Built 1999 ADT: 39,100

SH 470 ML

Unknown

Over: RAMP & BIKE PATH R

RAMP TO SB470/6TH AVE EAS, Jefferson, CO

Built 1999 ADT: 39,100

US 285 ML NBND

Unknown

Over: SH 121 ML

HAMPDEN/WADSWORTH, Jefferson, CO

Built 2012 ADT: 67,000

US 6 ML

Unknown

Over: SH 95 ML/SHERIDAN AVE.

IN LAKEWOOD, Jefferson, CO

Built 2011 ADT: 52,000

US 285 ML SBND

Unknown

Over: SH 121 ML

HAMPDEN/WADSWORTH, Jefferson, CO

Built 2012 ADT: 46,000

MCINTYRE ST

Unknown

Over: CLEAR CREEK, ACC RD-RR

0.1 MI SOUTH OF SH58, Jefferson, CO

Built 1971 ADT: 100

RICHMOND HILL ROAD

Unknown

Over: US 285 ML

NEAR CONIFER, Jefferson, CO

Built 2008 ADT: 17,000

ZEPHYR STREET

Unknown

Over: CHURCH RANCH BOULEVARD

.5 MI E OF WADSWORTH BLVD, Jefferson, CO

Built 1997 ADT: 38,920

PARK AVENUE

Fair

Over: BEAR CREEK

AT INTER. WITH SH 8, Jefferson, CO

Built 1926 Load: 6.5 t ADT: 220

JOYCE STREET

Fair

Over: RALSTON CREEK

0.06 MI NORTH OF 68TH AVE, Jefferson, CO

Built 1975 Load: 10.9 t ADT: 110

NFSR 543

Fair

Over: BUFFALO CREEK

4.4 MI FROM CR 126, Jefferson, CO

Built 1951 Load: 14.3 t ADT: 1

DUNRAVEN STREET

Fair

Over: VAN BIBBER CREEK

JUST NORTH OF 60TH PLACE, Jefferson, CO

Built 1972 Load: 14.8 t ADT: 160

SH 72 ML

Fair

Over: FARMERS HIGHLINE CANAL

INDIANA ST ABOUT 7800 N, Jefferson, CO

Built 1954 Load: 16.2 t ADT: 16,000

SH 121 ML

Fair

Over: CLEAR CREEK

S. edge 70, 76, ramp 121, Jefferson, CO

Built 1941 Load: 16.3 t ADT: 38,000

CANON STREET

Fair

Over: BEAR CREEK

AT INTER WITH SH 8, Jefferson, CO

Built 1945 Load: 16.3 t ADT: 102

NOLAN STREET

Fair

Over: RALSTON CREEK

0.06 MI N OF 58TH AVENUE, Jefferson, CO

Built 1950 Load: 17.2 t ADT: 576

KIPLING PARKWAY AR

Fair

Over: MASSEY DRAW AR

.1 MI N.OF JCT470&KIPLING, Jefferson, CO

Built 1987 Load: 17.7 t ADT: 49,000

74TH AVENUE

Fair

Over: CROKE CANAL

.1 MI W OF CARR STREET, Jefferson, CO

Built 1955 Load: 17.9 t ADT: 3,181

MAIN STREET

Fair

Over: DRAINAGE

W. OF KIPLING STREET, Jefferson, CO

Built 1942 Load: 18.1 t ADT: 1,100

CARR STREET

Fair

Over: RALSTON CREEK

JUST SOUTH OF BROOKS DR, Jefferson, CO

Built 1980 Load: 19.0 t ADT: 6,962

SH 8 ML

Fair

Over: STRAINS GULCH

0.75 MI S OF MORRISON, Jefferson, CO

Built 1935 Load: 19.1 t ADT: 4,000

KIPLING PARKWAY

Fair

Over: VAN BIBBER CREEK

JUST SOUTH OF 58TH AVENUE, Jefferson, CO

Built 1987 Load: 19.9 t ADT: 19,868

PIERCE ST

Fair

Over: WEIR GULCH

AT KENTUCKY AVENUE, Jefferson, CO

Built 1966 Load: 20.1 t ADT: 6,278

KIPLING STREET

Fair

Over: FARMERS HIGHLINE CANAL

0.1 MI NORTH OF 80TH AVE, Jefferson, CO

Built 1971 Load: 20.9 t ADT: 9,958

KIPLING STREET

Fair

Over: CROKE CANAL

0.15 MI NORTH OF 80TH AVE, Jefferson, CO

Built 1971 Load: 21.3 t ADT: 9,958

SH 72 ML

Fair

Over: VAN BIBBER CREEK

WARD RD, ARVADA, Jefferson, CO

Built 1972 Load: 21.4 t ADT: 28,000

SH 74 ML

Fair

Over: KERR GULCH

0.8 MI E OF KITTREDGE, Jefferson, CO

Built 1956 Load: 21.5 t ADT: 3,300

COUNTY ROAD 122

Fair

Over: SOUTH TURKEY CREEK

3 MI S OF TINYTOWN, Jefferson, CO

Built 1991 Load: 21.7 t ADT: 1,020

44TH AVENUE

Fair

Over: CLEAR CREEK

.71 MI EAST OF KIPLING, Jefferson, CO

Built 1974 Load: 21.7 t ADT: 13,333

COUNTY ROAD 122

Fair

Over: TURKEY CREEK

JUST SOUTH OF US285, Jefferson, CO

Built 1948 Load: 22.2 t ADT: 1,204
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.