US Bridges

I 70 Ml Wbnd over US 6 Clear Creek

Poor

Clear Creek County, Colorado · 8.7 MI W of JCT SH 74 · Structure no. F-15-BL

Built
1959
66 years old
Condition
Poor
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
542 ft
5 main spans
Daily traffic
23,500
2020 count
Owner
State
State Highway Agency

About this bridge

I 70 Ml Wbnd over US 6 Clear Creek is a steel stringer/multi-beam or girder carrying I 70 Ml Wbnd over US 6 Clear Creek in Clear Creek County, Colorado. It was built in 1959, so it is 66 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 23,500 vehicles a day, roughly 7% of them trucks, projected to reach 29,140 by 2040. The structure is 542 ft (165.3 m) long and 34 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI 70 Ml Wbnd
CrossesUS 6 Clear Creek
Location8.7 MI W of JCT SH 74
RouteInterstate 70A
Coordinates39.7459, -105.4388
Functional classRural Principal Arterial - Interstate

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating27.6 US tons
Inventory rating16.5 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans5 (+1 approach)
Design loadHS 20 + Mod
Structure length542 ft (165.3 m)
Longest span96 ft (29.3 m)
Deck width34 ft (10.4 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic23,500 (2020)
Projected traffic29,140 by 2040
Trucks7%
Lanes on structure2
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway and waterway
Detour if closed0.6 mi (1 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$4.4 million
NavigationNo navigation control on waterway

Frequently asked questions

When was I 70 Ml Wbnd over US 6 Clear Creek built?

It was built in 1959, making it 66 years old in 2025.

What condition is I 70 Ml Wbnd over US 6 Clear Creek 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 May 2023.

How much traffic does I 70 Ml Wbnd over US 6 Clear Creek carry?

About 23,500 vehicles per day (2020 count), of which roughly 7% are trucks.

How long is I 70 Ml Wbnd over US 6 Clear Creek?

The structure is 542 ft (165.3 m) long with a longest span of 96 ft (29.3 m) and a deck 34 ft wide.

Who owns I 70 Ml Wbnd over US 6 Clear Creek?

It is owned by the State Highway Agency.