US Bridges

I 70 Ml Wbnd over Frisco Main Street

Fair

Summit County, Colorado · SW End of Frisco · Structure no. F-12-V

Built
1971
54 years old
Condition
Fair
inspected April 2023
Type
Tee Beam
Concrete Continuous
Length
144 ft
3 main spans
Daily traffic
13,500
2020 count
Owner
State
State Highway Agency

About this bridge

I 70 Ml Wbnd over Frisco Main Street is a concrete continuous tee beam carrying I 70 Ml Wbnd over Frisco Main Street in Summit County, Colorado. It was built in 1971, so it is 54 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 13,500 vehicles a day, roughly 11% of them trucks, projected to reach 17,010 by 2040. The structure is 144 ft (43.9 m) long and 44 ft wide.

CarriesI 70 Ml Wbnd
CrossesFrisco Main Street
LocationSW End of Frisco
RouteInterstate 70A
Coordinates39.57548, -106.1128
Functional classRural 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.8 US tons
Inventory rating32.8 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length144 ft (43.9 m)
Longest span58 ft (17.7 m)
Deck width44 ft (13.5 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,500 (2020)
Projected traffic17,010 by 2040
Trucks11%
Lanes on structure2
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed—
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 70 Ml Wbnd over Frisco Main Street built?

It was built in 1971, making it 54 years old in 2025.

What condition is I 70 Ml Wbnd over Frisco Main Street 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 April 2023.

How much traffic does I 70 Ml Wbnd over Frisco Main Street carry?

About 13,500 vehicles per day (2020 count), of which roughly 11% are trucks.

How long is I 70 Ml Wbnd over Frisco Main Street?

The structure is 144 ft (43.9 m) long with a longest span of 58 ft (17.7 m) and a deck 44 ft wide.

Who owns I 70 Ml Wbnd over Frisco Main Street?

It is owned by the State Highway Agency.