US Bridges

NB E470 Ramp I76EB over Bnsfrr Cameron Drive

Good

Adams County, Colorado · 35.34 MI from I25 · Structure no. E-470-35.34D

Built
2002
23 years old
Condition
Good
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
520 ft
4 main spans
Daily traffic
3,000
2018 count
Owner
Toll Authority
Local Toll Authority

About this bridge

NB E470 Ramp I76EB over Bnsfrr Cameron Drive is a steel continuous stringer/multi-beam or girder carrying NB E470 Ramp I76EB over Bnsfrr Cameron Drive in Adams County, Colorado. It was built in 2002, so it is 23 years old, younger than the Colorado average of 42.2 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 3,000 vehicles a day, roughly 6% of them trucks, projected to reach 3,382 by 2035. The structure is 520 ft (158.5 m) long and 28 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesNB E470 Ramp I76EB
CrossesBnsfrr Cameron Drive
Location35.34 MI from I25
CountyAdams County
StateColorado
Coordinates39.92781, -104.7992
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating45.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 25 or greater
Structure length520 ft (158.5 m)
Longest span136 ft (41.6 m)
Deck width28 ft (8.5 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,000 (2018)
Projected traffic3,382 by 2035
Trucks6%
Lanes on structure1
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway, waterway and railroad
Detour if closed1.2 mi (2 km)
TollOn a toll road
National Highway SystemYes

Ownership and planned work

OwnerLocal Toll Authority
Maintained byLocal Toll Authority
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 NB E470 Ramp I76EB over Bnsfrr Cameron Drive built?

It was built in 2002, making it 23 years old in 2025.

What condition is NB E470 Ramp I76EB over Bnsfrr Cameron Drive in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in July 2023.

How much traffic does NB E470 Ramp I76EB over Bnsfrr Cameron Drive carry?

About 3,000 vehicles per day (2018 count), of which roughly 6% are trucks.

How long is NB E470 Ramp I76EB over Bnsfrr Cameron Drive?

The structure is 520 ft (158.5 m) long with a longest span of 136 ft (41.6 m) and a deck 28 ft wide.

Who owns NB E470 Ramp I76EB over Bnsfrr Cameron Drive?

It is owned by the Local Toll Authority.