US Bridges

I 25 Ml Nbnd over Weld County Road 20

Good

Weld County, Colorado · 3 MI N of JCT SH52/DACONO · Structure no. D-17-DW

Built
2006
19 years old
Condition
Good
inspected May 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
127 ft
1 main span
Daily traffic
45,500
2020 count
Owner
State
State Highway Agency

About this bridge

I 25 Ml Nbnd over Weld County Road 20 is a prestressed concrete box beam or girders - multiple carrying I 25 Ml Nbnd over Weld County Road 20 in Weld County, Colorado. It was built in 2006, so it is 19 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 45,500 vehicles a day, roughly 9% of them trucks, projected to reach 68,705 by 2040. The structure is 127 ft (38.8 m) long and 67 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesI 25 Ml Nbnd
CrossesWeld County Road 20
Location3 MI N of JCT SH52/DACONO
RouteInterstate 25A
Coordinates40.13127, -104.98
Functional classUrban 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 geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.2 US tons
Inventory rating47.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length127 ft (38.8 m)
Longest span124 ft (37.9 m)
Deck width67 ft (20.4 m)
Roadway width64 ft (19.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic45,500 (2020)
Projected traffic68,705 by 2040
Trucks9%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 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 25 Ml Nbnd over Weld County Road 20 built?

It was built in 2006, making it 19 years old in 2025.

What condition is I 25 Ml Nbnd over Weld County Road 20 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 25 Ml Nbnd over Weld County Road 20 carry?

About 45,500 vehicles per day (2020 count), of which roughly 9% are trucks.

How long is I 25 Ml Nbnd over Weld County Road 20?

The structure is 127 ft (38.8 m) long with a longest span of 124 ft (37.9 m) and a deck 67 ft wide.

Who owns I 25 Ml Nbnd over Weld County Road 20?

It is owned by the State Highway Agency.