US Bridges

I 70 Ml Ebnd over County Road 145

Good

Arapahoe County, Colorado · 3 MI E of JCT SH 79 · Structure no. F-19-BH

Built
1997
28 years old
Condition
Good
inspected May 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
100 ft
3 main spans
Daily traffic
8,500
2020 count
Owner
State
State Highway Agency

About this bridge

I 70 Ml Ebnd over County Road 145 is a prestressed concrete box beam or girders - single or spread carrying I 70 Ml Ebnd over County Road 145 in Arapahoe County, Colorado. It was built in 1997, so it is 28 years old, younger than the Colorado average of 42.2 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 8,500 vehicles a day, roughly 23% of them trucks, projected to reach 11,220 by 2040. The structure is 100 ft (30.6 m) long and 40 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI 70 Ml Ebnd
CrossesCounty Road 145
Location3 MI E of JCT SH 79
RouteInterstate 70A
Coordinates39.73279, -104.3775
Functional classRural Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.5 US tons
Inventory rating42.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length100 ft (30.6 m)
Longest span33 ft (10 m)
Deck width40 ft (12.3 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,500 (2020)
Projected traffic11,220 by 2040
Trucks23%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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 County Road 145 built?

It was built in 1997, making it 28 years old in 2025.

What condition is I 70 Ml Ebnd over County Road 145 in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in May 2023.

How much traffic does I 70 Ml Ebnd over County Road 145 carry?

About 8,500 vehicles per day (2020 count), of which roughly 23% are trucks.

How long is I 70 Ml Ebnd over County Road 145?

The structure is 100 ft (30.6 m) long with a longest span of 33 ft (10 m) and a deck 40 ft wide.

Who owns I 70 Ml Ebnd over County Road 145?

It is owned by the State Highway Agency.