US Bridges

Chambers RD over Sable Ditch

Fair

Adams County, Colorado · 0.1 MI N of 18th Street · Structure no. AUR04.2-J.0

Built
1981
44 years old
Condition
Fair
inspected October 2023
Type
Culvert
Concrete
Length
20 ft
2 main spans
Daily traffic
9,547
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Chambers RD over Sable Ditch is a concrete culvert carrying Chambers RD over Sable Ditch in Adams County, Colorado. It was built in 1981, so it is 44 years old, older than the Colorado average of 42.2 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 9,547 vehicles a day, roughly 5% of them trucks, projected to reach 12,411 by 2041. The structure is 20 ft (6.2 m) long and 194 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesChambers RD
CrossesSable Ditch
Location0.1 MI N of 18th Street
RouteCity Street 0
CountyAdams County
StateColorado
Coordinates39.74609, -104.80986
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36.2 US tons
Inventory rating21.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length20 ft (6.2 m)
Longest span10 ft (3 m)
Deck width194 ft (59.1 m)
Roadway width64 ft (19.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,547 (2021)
Projected traffic12,411 by 2041
Trucks5%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Chambers RD over Sable Ditch built?

It was built in 1981, making it 44 years old in 2025.

What condition is Chambers RD over Sable Ditch in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in October 2023.

How much traffic does Chambers RD over Sable Ditch carry?

About 9,547 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is Chambers RD over Sable Ditch?

The structure is 20 ft (6.2 m) long with a longest span of 10 ft (3 m) and a deck 194 ft wide.

Who owns Chambers RD over Sable Ditch?

It is owned by the City or Municipal Highway Agency.