US Bridges

I 70 Ml Ebnd over UP RR

Fair

Arapahoe County, Colorado · 2.3 MI E of Strasburg Spu · Structure no. F-19-AZ

Built
1962
63 years old, rebuilt 1988
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
176 ft
3 main spans
Daily traffic
7,500
2020 count
Owner
State
State Highway Agency

About this bridge

I 70 Ml Ebnd over UP RR is a steel continuous stringer/multi-beam or girder carrying I 70 Ml Ebnd over UP RR in Arapahoe County, Colorado. It was built in 1962 and reconstructed in 1988, so it is 63 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 7,500 vehicles a day, roughly 30% of them trucks, projected to reach 9,975 by 2040. The structure is 176 ft (53.6 m) long and 40 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesI 70 Ml Ebnd
CrossesUP RR
Location2.3 MI E of Strasburg Spu
RouteInterstate 70A
CountyArapahoe County
StateColorado
Coordinates39.72923, -104.28541
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.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70.8 US tons
Inventory rating42.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length176 ft (53.6 m)
Longest span66 ft (20 m)
Deck width40 ft (12.3 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,500 (2020)
Projected traffic9,975 by 2040
Trucks30%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
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 Ml Ebnd over UP RR built?

It was built in 1962, making it 63 years old in 2025. It was reconstructed in 1988.

What condition is I 70 Ml Ebnd over UP RR 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 June 2023.

How much traffic does I 70 Ml Ebnd over UP RR carry?

About 7,500 vehicles per day (2020 count), of which roughly 30% are trucks.

How long is I 70 Ml Ebnd over UP RR?

The structure is 176 ft (53.6 m) long with a longest span of 66 ft (20 m) and a deck 40 ft wide.

Who owns I 70 Ml Ebnd over UP RR?

It is owned by the State Highway Agency.