US Bridges

I 70 Access RD over Colorado River Ar

Fair

Garfield County, Colorado · New Castle Exit · Structure no. F-06-M

Built
1971
54 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
287 ft
3 main spans
Daily traffic
611
2023 count
Owner
State
State Highway Agency

About this bridge

I 70 Access RD over Colorado River Ar is a steel continuous stringer/multi-beam or girder carrying I 70 Access RD over Colorado River Ar in Garfield 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 5 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 611 vehicles a day, roughly 10% of them trucks, projected to reach 776 by 2042. The structure is 287 ft (87.5 m) long and 28 ft wide. If it were closed, the detour would be 16.2 mi (26 km).

CarriesI 70 Access RD
CrossesColorado River Ar
LocationNew Castle Exit
RouteInterstate 70A
Coordinates39.56421, -107.51725
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.1 US tons
Inventory rating31.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length287 ft (87.5 m)
Longest span108 ft (32.9 m)
Deck width28 ft (8.4 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic611 (2023)
Projected traffic776 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.2 mi (26 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was I 70 Access RD over Colorado River Ar built?

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

What condition is I 70 Access RD over Colorado River Ar 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 October 2024.

How much traffic does I 70 Access RD over Colorado River Ar carry?

About 611 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is I 70 Access RD over Colorado River Ar?

The structure is 287 ft (87.5 m) long with a longest span of 108 ft (32.9 m) and a deck 28 ft wide.

Who owns I 70 Access RD over Colorado River Ar?

It is owned by the State Highway Agency.