US Bridges

Ramp to SH 470 Ebd over Bear Creek R

Good

Jefferson County, Colorado · SW Crnr of Morrison Rd.In · Structure no. F-16-LF

Built
1989
36 years old
Condition
Good
inspected January 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
245 ft
2 main spans
Daily traffic
39,500
2020 count
Owner
State
State Highway Agency

About this bridge

Ramp to SH 470 Ebd over Bear Creek R is a prestressed concrete continuous stringer/multi-beam or girder carrying Ramp to SH 470 Ebd over Bear Creek R in Jefferson County, Colorado. It was built in 1989, so it is 36 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 39,500 vehicles a day, roughly 2% of them trucks, projected to reach 52,140 by 2040. The structure is 245 ft (74.7 m) long and 39 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesRamp to SH 470 Ebd
CrossesBear Creek R
LocationSW Crnr of Morrison Rd.In
RouteState Highway 470A
Coordinates39.65242, -105.1816
Functional classUrban Other Principal Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
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 evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45.4 US tons
Inventory rating27.2 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length245 ft (74.7 m)
Longest span120 ft (36.6 m)
Deck width39 ft (12 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic39,500 (2020)
Projected traffic52,140 by 2040
Trucks2%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemYes

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 Ramp to SH 470 Ebd over Bear Creek R built?

It was built in 1989, making it 36 years old in 2025.

What condition is Ramp to SH 470 Ebd over Bear Creek R 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 January 2024.

How much traffic does Ramp to SH 470 Ebd over Bear Creek R carry?

About 39,500 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Ramp to SH 470 Ebd over Bear Creek R?

The structure is 245 ft (74.7 m) long with a longest span of 120 ft (36.6 m) and a deck 39 ft wide.

Who owns Ramp to SH 470 Ebd over Bear Creek R?

It is owned by the State Highway Agency.