US Bridges

I 76 Ml over West Burlington Canal

Fair

Adams County, Colorado · 0.3 MI W of JCT SH7 · Structure no. E-18-B

Built
1935
90 years old, rebuilt 1986
Condition
Fair
inspected March 2025
Type
Culvert
Concrete
Length
22 ft
2 main spans
Daily traffic
28,000
2020 count
Owner
State
State Highway Agency

About this bridge

I 76 Ml over West Burlington Canal is a concrete culvert carrying I 76 Ml over West Burlington Canal in Adams County, Colorado. It was built in 1935 and reconstructed in 1986, so it is 90 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 28,000 vehicles a day, roughly 15% of them trucks, projected to reach 46,480 by 2040. The structure is 22 ft (6.6 m) long and 242 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesI 76 Ml
CrossesWest Burlington Canal
Location0.3 MI W of JCT SH7
RouteInterstate 76A
Coordinates39.98355, -104.73891
Functional classUrban Principal Arterial - Interstate

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.6 US tons
Inventory rating41.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length22 ft (6.6 m)
Longest span10 ft (3.1 m)
Deck width242 ft (73.9 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic28,000 (2020)
Projected traffic46,480 by 2040
Trucks15%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 I 76 Ml over West Burlington Canal built?

It was built in 1935, making it 90 years old in 2025. It was reconstructed in 1986.

What condition is I 76 Ml over West Burlington Canal 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 March 2025.

How much traffic does I 76 Ml over West Burlington Canal carry?

About 28,000 vehicles per day (2020 count), of which roughly 15% are trucks.

How long is I 76 Ml over West Burlington Canal?

The structure is 22 ft (6.6 m) long with a longest span of 10 ft (3.1 m) and a deck 242 ft wide.

Who owns I 76 Ml over West Burlington Canal?

It is owned by the State Highway Agency.