US Bridges

US 6 Ml Wbnd over Sterling Canal No 1

Fair

Logan County, Colorado · SW Side of Sterling · Structure no. B-24-F

Built
1961
64 years old
Condition
Fair
inspected January 2024
Type
Culvert
Concrete
Length
25 ft
1 main span
Daily traffic
2,150
2020 count
Owner
State
State Highway Agency

About this bridge

US 6 Ml Wbnd over Sterling Canal No 1 is a concrete culvert carrying US 6 Ml Wbnd over Sterling Canal No 1 in Logan County, Colorado. It was built in 1961, so it is 64 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 2,150 vehicles a day, roughly 6% of them trucks, projected to reach 2,580 by 2040. The structure is 25 ft (7.6 m) long and 39 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesUS 6 Ml Wbnd
CrossesSterling Canal No 1
LocationSW Side of Sterling
RouteU.S. Route 6J
Coordinates40.60074, -103.22224
Functional classUrban Minor 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 inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.9 US tons
Inventory rating39.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length25 ft (7.6 m)
Longest span25 ft (7.6 m)
Deck width39 ft (12 m)
Roadway width35 ft (10.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,150 (2020)
Projected traffic2,580 by 2040
Trucks6%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 US 6 Ml Wbnd over Sterling Canal No 1 built?

It was built in 1961, making it 64 years old in 2025.

What condition is US 6 Ml Wbnd over Sterling Canal No 1 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 January 2024.

How much traffic does US 6 Ml Wbnd over Sterling Canal No 1 carry?

About 2,150 vehicles per day (2020 count), of which roughly 6% are trucks.

How long is US 6 Ml Wbnd over Sterling Canal No 1?

The structure is 25 ft (7.6 m) long with a longest span of 25 ft (7.6 m) and a deck 39 ft wide.

Who owns US 6 Ml Wbnd over Sterling Canal No 1?

It is owned by the State Highway Agency.