US Bridges

Ramp to I 70 Ebnd over I 70 Ml R

Poor

Jefferson County, Colorado · End of SH 58 @ I 70 · Structure no. E-16-JJ

Built
1968
57 years old
Condition
Poor
inspected October 2024
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
321 ft
3 main spans
Daily traffic
17,000
2020 count
Owner
State
State Highway Agency

About this bridge

Ramp to I 70 Ebnd over I 70 Ml R is a concrete continuous box beam or girders - multiple carrying Ramp to I 70 Ebnd over I 70 Ml R in Jefferson County, Colorado. It was built in 1968, so it is 57 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 17,000 vehicles a day, roughly 12% of them trucks, projected to reach 24,650 by 2040. The structure is 321 ft (97.7 m) long and 34 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesRamp to I 70 Ebnd
CrossesI 70 Ml R
LocationEnd of SH 58 @ I 70
RouteState Highway 58A
Coordinates39.77544, -105.14362
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating54.2 US tons
Inventory rating32.4 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length321 ft (97.7 m)
Longest span128 ft (38.9 m)
Deck width34 ft (10.4 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,000 (2020)
Projected traffic24,650 by 2040
Trucks12%
Lanes on structure1
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed0.6 mi (1 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 I 70 Ebnd over I 70 Ml R built?

It was built in 1968, making it 57 years old in 2025.

What condition is Ramp to I 70 Ebnd over I 70 Ml R 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 October 2024.

How much traffic does Ramp to I 70 Ebnd over I 70 Ml R carry?

About 17,000 vehicles per day (2020 count), of which roughly 12% are trucks.

How long is Ramp to I 70 Ebnd over I 70 Ml R?

The structure is 321 ft (97.7 m) long with a longest span of 128 ft (38.9 m) and a deck 34 ft wide.

Who owns Ramp to I 70 Ebnd over I 70 Ml R?

It is owned by the State Highway Agency.