US Bridges

I70 Ml Ebnd over Simba Run Underpass

Good

Eagle County, Colorado · 1.2 MI W of Exit 176 · Structure no. F-11-BV

Built
2016
9 years old
Condition
Good
inspected July 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
127 ft
1 main span
Daily traffic
14,500
2020 count
Owner
State
State Highway Agency

About this bridge

I70 Ml Ebnd over Simba Run Underpass is a prestressed concrete box beam or girders - multiple carrying I70 Ml Ebnd over Simba Run Underpass in Eagle County, Colorado. It was built in 2016, so it is 9 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 14,500 vehicles a day, roughly 9% of them trucks, projected to reach 17,835 by 2040. The structure is 127 ft (38.6 m) long and 46 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI70 Ml Ebnd
CrossesSimba Run Underpass
Location1.2 MI W of Exit 176
RouteInterstate 70A
Coordinates39.64078, -106.39982
Functional classUrban Principal Arterial - Interstate

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.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length127 ft (38.6 m)
Longest span123 ft (37.6 m)
Deck width46 ft (14 m)
Roadway width43 ft (13.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,500 (2020)
Projected traffic17,835 by 2040
Trucks9%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I70 Ml Ebnd over Simba Run Underpass built?

It was built in 2016, making it 9 years old in 2025.

What condition is I70 Ml Ebnd over Simba Run Underpass 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 2024.

How much traffic does I70 Ml Ebnd over Simba Run Underpass carry?

About 14,500 vehicles per day (2020 count), of which roughly 9% are trucks.

How long is I70 Ml Ebnd over Simba Run Underpass?

The structure is 127 ft (38.6 m) long with a longest span of 123 ft (37.6 m) and a deck 46 ft wide.

Who owns I70 Ml Ebnd over Simba Run Underpass?

It is owned by the State Highway Agency.