US Bridges

I 70 Ml Wbnd over SH 13 Ml

Fair

Garfield County, Colorado · 4.6 MI W of JCT Silt Spur · Structure no. F-05-O

Built
1975
50 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
189 ft
2 main spans
Daily traffic
8,500
2020 count
Owner
State
State Highway Agency

About this bridge

I 70 Ml Wbnd over SH 13 Ml is a prestressed concrete continuous stringer/multi-beam or girder carrying I 70 Ml Wbnd over SH 13 Ml in Garfield County, Colorado. It was built in 1975, so it is 50 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 8,500 vehicles a day, roughly 15% of them trucks, projected to reach 11,645 by 2040. The structure is 189 ft (57.5 m) long and 45 ft wide.

CarriesI 70 Ml Wbnd
CrossesSH 13 Ml
Location4.6 MI W of JCT Silt Spur
RouteInterstate 70A
Coordinates39.52404, -107.77781
Functional classUrban 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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50 US tons
Inventory rating29 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length189 ft (57.5 m)
Longest span92 ft (28 m)
Deck width45 ft (13.6 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,500 (2020)
Projected traffic11,645 by 2040
Trucks15%
Lanes on structure2
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed—
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 Ml Wbnd over SH 13 Ml built?

It was built in 1975, making it 50 years old in 2025.

What condition is I 70 Ml Wbnd over SH 13 Ml 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 September 2024.

How much traffic does I 70 Ml Wbnd over SH 13 Ml carry?

About 8,500 vehicles per day (2020 count), of which roughly 15% are trucks.

How long is I 70 Ml Wbnd over SH 13 Ml?

The structure is 189 ft (57.5 m) long with a longest span of 92 ft (28 m) and a deck 45 ft wide.

Who owns I 70 Ml Wbnd over SH 13 Ml?

It is owned by the State Highway Agency.