US Bridges

SH6 Ditch Rider RD over Burlington Canal SR

PoorClosed to traffic

Adams County, Colorado · 0.7 MI N of JCT SH 224 · Structure no. E-17-EP

Built
1948
77 years old
Condition
Poor
inspected March 2025
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
77 ft
4 main spans
Daily traffic
27,925
2024 count
Owner
State
State Highway Agency

About this bridge

SH6 Ditch Rider RD over Burlington Canal SR is a wood or timber stringer/multi-beam or girder carrying SH6 Ditch Rider RD over Burlington Canal SR in Adams County, Colorado. It was built in 1948, so it is 77 years old, older than the Colorado average of 42.2 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 1 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: closed to all traffic.

It carries about 27,925 vehicles a day, roughly 17% of them trucks, projected to reach 36,302 by 2044. The structure is 77 ft (23.6 m) long and 26 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesSH6 Ditch Rider RD
CrossesBurlington Canal SR
Location0.7 MI N of JCT SH 224
RouteU.S. Route 6H
Coordinates39.84149, -104.92451
Functional classUrban Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure1 Imminent FailureMajor deterioration or section loss present in critical structural components. Bridge is closed to traffic but corrective action may put it back in light service.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2025
Inspection intervalevery 12 months
Operating statusClosed to all traffic
ScourFoundations stable; scour above top of footing
Structural evaluation0: Immediate repair necessary to put back in service
Deck geometry0: Immediate repair necessary to put back in service
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating40 US tons
Inventory rating36 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans4
Design loadH 20
Structure length77 ft (23.6 m)
Longest span19 ft (5.8 m)
Deck width26 ft (7.9 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic27,925 (2024)
Projected traffic36,302 by 2044
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$620,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SH6 Ditch Rider RD over Burlington Canal SR built?

It was built in 1948, making it 77 years old in 2025.

What condition is SH6 Ditch Rider RD over Burlington Canal SR in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in March 2025.

How much traffic does SH6 Ditch Rider RD over Burlington Canal SR carry?

About 27,925 vehicles per day (2024 count), of which roughly 17% are trucks.

How long is SH6 Ditch Rider RD over Burlington Canal SR?

The structure is 77 ft (23.6 m) long with a longest span of 19 ft (5.8 m) and a deck 26 ft wide.

Who owns SH6 Ditch Rider RD over Burlington Canal SR?

It is owned by the State Highway Agency.