US Bridges

I 70 Frontage RD over Red Sandstone Creek SR

Fair

Eagle County, Colorado · In Vail · Structure no. F-11-Q

Built
1984
41 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
51 ft
1 main span
Daily traffic
16,349
2024 count
Owner
State
State Highway Agency

About this bridge

I 70 Frontage RD over Red Sandstone Creek SR is a steel stringer/multi-beam or girder carrying I 70 Frontage RD over Red Sandstone Creek SR in Eagle County, Colorado. It was built in 1984, so it is 41 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 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 16,349 vehicles a day, roughly 9% of them trucks, projected to reach 20,273 by 2044. The structure is 51 ft (15.5 m) long and 14 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesI 70 Frontage RD
CrossesRed Sandstone Creek SR
LocationIn Vail
RouteInterstate 70A
CountyEagle County
StateColorado
Coordinates39.64141, -106.39637
Functional classUrban Local

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52 US tons
Inventory rating31 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadH 15
Structure length51 ft (15.5 m)
Longest span49 ft (15 m)
Deck width14 ft (4.3 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,349 (2024)
Projected traffic20,273 by 2044
Trucks9%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
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$351,000
NavigationNo navigation control on waterway

Frequently asked questions

When was I 70 Frontage RD over Red Sandstone Creek SR built?

It was built in 1984, making it 41 years old in 2025.

What condition is I 70 Frontage RD over Red Sandstone Creek SR 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 July 2024.

How much traffic does I 70 Frontage RD over Red Sandstone Creek SR carry?

About 16,349 vehicles per day (2024 count), of which roughly 9% are trucks.

How long is I 70 Frontage RD over Red Sandstone Creek SR?

The structure is 51 ft (15.5 m) long with a longest span of 49 ft (15 m) and a deck 14 ft wide.

Who owns I 70 Frontage RD over Red Sandstone Creek SR?

It is owned by the State Highway Agency.