US Bridges

I 70 Ml Ebnd over Black Gore Creek

Fair

Eagle County, Colorado · 6.8 MI E of JCT SH 24 · Structure no. F-11-AS

Built
1977
48 years old
Condition
Fair
inspected August 2024
Type
Box Beam or Girders - Single or Spread
Steel Continuous
Length
243 ft
3 main spans
Daily traffic
10,000
2020 count
Owner
State
State Highway Agency

About this bridge

I 70 Ml Ebnd over Black Gore Creek is a steel continuous box beam or girders - single or spread carrying I 70 Ml Ebnd over Black Gore Creek in Eagle County, Colorado. It was built in 1977, so it is 48 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 10,000 vehicles a day, roughly 14% of them trucks, projected to reach 12,100 by 2040. The structure is 243 ft (74.1 m) long and 42 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI 70 Ml Ebnd
CrossesBlack Gore Creek
Location6.8 MI E of JCT SH 24
RouteInterstate 70A
Coordinates39.61855, -106.27936
Functional classRural Principal Arterial - Interstate

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating22.8 US tons
Inventory rating17.5 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length243 ft (74.1 m)
Longest span178 ft (54.3 m)
Deck width42 ft (12.8 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,000 (2020)
Projected traffic12,100 by 2040
Trucks14%
Lanes on structure2
Traffic directionOne-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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$2.4 million
NavigationNo navigation control on waterway

Frequently asked questions

When was I 70 Ml Ebnd over Black Gore Creek built?

It was built in 1977, making it 48 years old in 2025.

What condition is I 70 Ml Ebnd over Black Gore 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 August 2024.

How much traffic does I 70 Ml Ebnd over Black Gore Creek carry?

About 10,000 vehicles per day (2020 count), of which roughly 14% are trucks.

How long is I 70 Ml Ebnd over Black Gore Creek?

The structure is 243 ft (74.1 m) long with a longest span of 178 ft (54.3 m) and a deck 42 ft wide.

Who owns I 70 Ml Ebnd over Black Gore Creek?

It is owned by the State Highway Agency.