US Bridges

Weld County Road 8 over I 25 Ml

Good

Weld County, Colorado · 3 MI No of JCT SH 7 · Structure no. D-17-DY

Built
2004
21 years old
Condition
Good
inspected May 2023
Type
Box Beam or Girders - Multiple
Concrete
Length
329 ft
3 main spans
Daily traffic
10,875
2023 count
Owner
State
State Highway Agency

About this bridge

Weld County Road 8 over I 25 Ml is a concrete box beam or girders - multiple carrying Weld County Road 8 over I 25 Ml in Weld County, Colorado. It was built in 2004, so it is 21 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 10,875 vehicles a day, roughly 10% of them trucks, projected to reach 15,443 by 2042. The structure is 329 ft (100.3 m) long and 98 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesWeld County Road 8
CrossesI 25 Ml
Location3 MI No of JCT SH 7
RouteCounty Highway 0
Coordinates40.04376, -104.98115
Functional classRural Major Collector

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 evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating33.6 US tons
Inventory rating14.2 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length329 ft (100.3 m)
Longest span196 ft (59.7 m)
Deck width98 ft (29.9 m)
Roadway width80 ft (24.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,875 (2023)
Projected traffic15,443 by 2042
Trucks10%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

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$4.5 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Weld County Road 8 over I 25 Ml built?

It was built in 2004, making it 21 years old in 2025.

What condition is Weld County Road 8 over I 25 Ml 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 Weld County Road 8 over I 25 Ml carry?

About 10,875 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Weld County Road 8 over I 25 Ml?

The structure is 329 ft (100.3 m) long with a longest span of 196 ft (59.7 m) and a deck 98 ft wide.

Who owns Weld County Road 8 over I 25 Ml?

It is owned by the State Highway Agency.