US Bridges

I 70 Ml over County Road 314

Fair

Clear Creek County, Colorado · 3.4 MI E of JCT 103 · Structure no. F-15-CR

Built
1999
26 years old
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
76 ft
1 main span
Daily traffic
47,000
2020 count
Owner
State
State Highway Agency

About this bridge

I 70 Ml over County Road 314 is a prestressed concrete stringer/multi-beam or girder carrying I 70 Ml over County Road 314 in Clear Creek County, Colorado. It was built in 1999, so it is 26 years old, younger 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 47,000 vehicles a day, roughly 6% of them trucks, projected to reach 58,750 by 2040. The structure is 76 ft (23.2 m) long and 117 ft wide.

CarriesI 70 Ml
CrossesCounty Road 314
Location3.4 MI E of JCT 103
RouteInterstate 70A
Coordinates39.74629, -105.46101
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.
Substructure7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating88.6 US tons
Inventory rating38.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length76 ft (23.2 m)
Longest span74 ft (22.6 m)
Deck width117 ft (35.7 m)
Roadway width112 ft (34.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic47,000 (2020)
Projected traffic58,750 by 2040
Trucks6%
Lanes on structure5
Traffic directionTwo-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 over County Road 314 built?

It was built in 1999, making it 26 years old in 2025.

What condition is I 70 Ml over County Road 314 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 January 2024.

How much traffic does I 70 Ml over County Road 314 carry?

About 47,000 vehicles per day (2020 count), of which roughly 6% are trucks.

How long is I 70 Ml over County Road 314?

The structure is 76 ft (23.2 m) long with a longest span of 74 ft (22.6 m) and a deck 117 ft wide.

Who owns I 70 Ml over County Road 314?

It is owned by the State Highway Agency.