US Bridges

I 70 (s Frontge RD over Red Sandstone Creek

Fair

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

Built
1940
85 years old
Condition
Fair
inspected July 2024
Type
Culvert
Concrete
Length
29 ft
2 main spans
Daily traffic
16,349
2024 count
Owner
State
State Highway Agency

About this bridge

I 70 (s Frontge RD over Red Sandstone Creek is a concrete culvert carrying I 70 (s Frontge RD over Red Sandstone Creek in Eagle County, Colorado. It was built in 1940, so it is 85 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 16,349 vehicles a day, roughly 9% of them trucks, projected to reach 20,273 by 2044. The structure is 29 ft (8.8 m) long and 49 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesI 70 (s Frontge RD
CrossesRed Sandstone Creek
LocationIn Vail
RouteInterstate 70A
CountyEagle County
StateColorado
Coordinates39.64134, -106.39631
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55.2 US tons
Inventory rating33.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length29 ft (8.8 m)
Longest span14 ft (4.3 m)
Deck width49 ft (14.9 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,349 (2024)
Projected traffic20,273 by 2044
Trucks9%
Lanes on structure2
Traffic directionTwo-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—
NavigationNo navigation control on waterway

Frequently asked questions

When was I 70 (s Frontge RD over Red Sandstone Creek built?

It was built in 1940, making it 85 years old in 2025.

What condition is I 70 (s Frontge RD over Red Sandstone Creek 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 (s Frontge RD over Red Sandstone Creek carry?

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

How long is I 70 (s Frontge RD over Red Sandstone Creek?

The structure is 29 ft (8.8 m) long with a longest span of 14 ft (4.3 m) and a deck 49 ft wide.

Who owns I 70 (s Frontge RD over Red Sandstone Creek?

It is owned by the State Highway Agency.