US Bridges

US 6 Ml Ebnd over Sterling Canal No 1

Poor

Logan County, Colorado · 4.7 MI NE of JCT SH 63 · Structure no. B-24-A

Built
1941
84 years old
Condition
Poor
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
32 ft
1 main span
Daily traffic
2,150
2020 count
Owner
State
State Highway Agency

About this bridge

US 6 Ml Ebnd over Sterling Canal No 1 is a steel stringer/multi-beam or girder carrying US 6 Ml Ebnd over Sterling Canal No 1 in Logan County, Colorado. It was built in 1941, so it is 84 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 4 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.

It carries about 2,150 vehicles a day, roughly 6% of them trucks, projected to reach 2,580 by 2040. The structure is 32 ft (9.7 m) long and 36 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesUS 6 Ml Ebnd
CrossesSterling Canal No 1
Location4.7 MI NE of JCT SH 63
RouteU.S. Route 6J
Coordinates40.60057, -103.22218
Functional classRural Minor Arterial

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46 US tons
Inventory rating27 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length32 ft (9.7 m)
Longest span27 ft (8.2 m)
Deck width36 ft (11 m)
Roadway width30 ft (9.1 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 statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was US 6 Ml Ebnd over Sterling Canal No 1 built?

It was built in 1941, making it 84 years old in 2025.

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

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

The structure is 32 ft (9.7 m) long with a longest span of 27 ft (8.2 m) and a deck 36 ft wide.

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

It is owned by the State Highway Agency.