Broomfield County, CO
66 public highway bridges
Broomfield County Bridge Snapshot
According to the Federal Highway Administration's 2024 National Bridge Inventory, Broomfield County, Colorado contains 66 public highway bridges. Roughly 27.3% are rated “Good,” 39.4% “Fair,” and 0% “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.
Condition Distribution
All Bridges (66)
Ramp B
UnknownOver: I-25 and NWP
I25 NB ramp to NWP WB, Broomfield, CO
Ramp H
UnknownOver: I-25 and NWP
EB NWP ramp to NB I25, Broomfield, CO
Interlocken Loop N
UnknownOver: W. Flatiron Crossing Dr.
400 Ft N. of Interlocken, Broomfield, CO
Interlocken Loop S
UnknownOver: W. Flatiron Crossing
400 Ft N. of Interlocken, Broomfield, CO
SH 121 ML NBND
UnknownOver: US 287 ML, RR SPUR
IN BROOMFIELD, Broomfield, CO
SH 121 ML SBND
UnknownOver: US 287 ML, RR SPUR
IN BROOMFIELD, Broomfield, CO
104TH AVE/CHURCH R
UnknownOver: US 36 ML
2.4 MI SE BOULDER-JEFF CL, Broomfield, CO
96TH STREET
UnknownOver: US 36 ML
IN BROOMFIELD, Broomfield, CO
88TH ST.
UnknownOver: US 36 ML
3.5 MI W. OF SH 121, Broomfield, CO
SH 128 (120TH AVE)
UnknownOver: US 36 ML
120TH AVE AND US 36, Broomfield, CO
SH 121 ML
UnknownOver: US 36 ML
IN BROOMFIELD, Broomfield, CO
UPTOWN AVE.
UnknownOver: US 36 ML
1.5 MI S of SH128, Broomfield, CO
I 25 ML NBND
UnknownOver: NWP
JUST S OF 160TH AVE, Broomfield, CO
160TH AVE
UnknownOver: I-25
Just N of NWPkwy-470, Broomfield, CO
SB I-25
UnknownOver: NWP/E470
Just South of 160th Ave, Broomfield, CO
Huron Street
UnknownOver: NWP
0.50 MI FROM I25, Broomfield, CO
Sheridan Parkway
UnknownOver: NWP
1.64 MI FROM I-25, Broomfield, CO
Lowell Blvd.
UnknownOver: NWP
2.56 MILES FROM I-25, Broomfield, CO
120TH STREET
UnknownOver: NWP
4.77 MI FROM I-25, Broomfield, CO
NWP EB
UnknownOver: US 287
5.95 FROM I-25, Broomfield, CO
NWP WB
UnknownOver: US 287
5.95 FROM I-25, Broomfield, CO
104TH Street
UnknownOver: NWP
6.98 MI FROM I-25, Broomfield, CO
US 287 ML
FairOver: FLOOD CONTROL DITCH
120TH AVE W. OF CHASE ST., Broomfield, CO
Hazel Street
FairOver: Local Drainage
Just S of Midway Blvd, Broomfield, CO
Briarwood Drive
FairOver: Local Drainage
Just South of Trails Ave, Broomfield, CO
Midway Blvd
FairOver: Rock Creek Overflow
0.3 mi S of Via Varra, Broomfield, CO
West Sixth Avenue
FairOver: Graves and Dennison Dtch
At Int of Alter & 6th, Broomfield, CO
NWP EB
FairOver: WB Dillon Road
5.59 MI FROM I-25, Broomfield, CO
NWP EB
FairOver: Rock Creek
5.68 MI FROM I-25, Broomfield, CO
NWP WB
FairOver: Rock Creek
5.68 MI FROM I-25, Broomfield, CO
NWP EB
FairOver: EB Dillon Road
6.25 MI FROM I-25, Broomfield, CO
NWP WB
FairOver: EB Dillon Road
6.25 MI FROM I-25, Broomfield, CO
NWP Ramp
FairOver: EB Dillon Road
6.29 MI FROM I-25, Broomfield, CO
NWP Ramp
FairOver: Rock Creek
5.69 MI FROM I-25, Broomfield, CO
US 36 ML
FairOver: BNSF RR
IN WESTMINSTER, Broomfield, CO
Chase Street
FairOver: Local Drainage
At 120th Avenue, Broomfield, CO
NWP EB
FairOver: BNSF
5.81 MI FROM I-25, Broomfield, CO
NWP WB
FairOver: BNSF
5.81 MI FROM I-25, Broomfield, CO
NWP EB
FairOver: BNSF
7.68 MI FROM I-25, Broomfield, CO
NWP WB
FairOver: BNSF
7.68 MI FROM I-25, Broomfield, CO
Main Street
FairOver: Local Drainage
0.1 Mi N of 2nd Street, Broomfield, CO
East 1st Street
FairOver: Local Drainage
150 Ft E of Kirk Street, Broomfield, CO
NWP Ramp
FairOver: WB Dillon Road
5.57 MI FROM I-25, Broomfield, CO
Interlocken Loop
FairOver: Ped. Underpass/Drainage
Just N of Interlocken Blv, Broomfield, CO
Interlocken Blvd.
FairOver: Ped. Underpass/Drainage
100 Ft SE of W Flatiron, Broomfield, CO
Interlocken Loop
FairOver: Pedestrian Underpass
125 Ft. N of Eldorado, Broomfield, CO
Interlocken Loop
FairOver: Pedestrian Underpass
0.1 Mi N of W. Flatiron C, Broomfield, CO
Northwest Parkway
FairOver: Rock Creek
0.2 Mi N OF US Hwy 36, Broomfield, CO
Willow Run Pkwy
GoodOver: Local Drainage
Just S of Midway Blvd, Broomfield, CO
WB NWP Ramp
GoodOver: Rock Creek
5.70 MI FROM I-25, Broomfield, CO
Read our methodology - how this data is sourced, computed, and verified.
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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.