US Bridges

I 70 Frontage over Draw SR

Fair

Eagle County, Colorado · 0.1 MI W of WB Dotsero Ex · Structure no. F-08-E

Built
1935
90 years old
Condition
Fair
inspected August 2024
Type
Culvert
Concrete
Length
23 ft
2 main spans
Daily traffic
2,984
2024 count
Owner
State
State Highway Agency

About this bridge

I 70 Frontage over Draw SR is a concrete culvert carrying I 70 Frontage over Draw SR in Eagle County, Colorado. It was built in 1935, so it is 90 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 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 2,984 vehicles a day, roughly 13% of them trucks, projected to reach 3,700 by 2044. The structure is 23 ft (6.9 m) long and 408 ft wide. If it were closed, the detour would be 62.1 mi (100 km).

CarriesI 70 Frontage
CrossesDraw SR
Location0.1 MI W of WB Dotsero Ex
RouteInterstate 70A
Coordinates39.64969, -107.05349
Functional classRural 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.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating71.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length23 ft (6.9 m)
Longest span11 ft (3.3 m)
Deck width408 ft (124.4 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,984 (2024)
Projected traffic3,700 by 2044
Trucks13%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed62.1 mi (100 km)
TollOn a free road
National Highway SystemNo

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 Frontage over Draw SR built?

It was built in 1935, making it 90 years old in 2025.

What condition is I 70 Frontage over Draw 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 August 2024.

How much traffic does I 70 Frontage over Draw SR carry?

About 2,984 vehicles per day (2024 count), of which roughly 13% are trucks.

How long is I 70 Frontage over Draw SR?

The structure is 23 ft (6.9 m) long with a longest span of 11 ft (3.3 m) and a deck 408 ft wide.

Who owns I 70 Frontage over Draw SR?

It is owned by the State Highway Agency.