US Bridges

US 85 Ml over Spring Creek

Good

Weld County, Colorado · 1.1 MI N of Pierce · Structure no. B-17-DD

Built
2005
20 years old
Condition
Good
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
87 ft
2 main spans
Daily traffic
5,100
2020 count
Owner
State
State Highway Agency

About this bridge

US 85 Ml over Spring Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying US 85 Ml over Spring Creek in Weld County, Colorado. It was built in 2005, so it is 20 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 5,100 vehicles a day, roughly 17% of them trucks, projected to reach 7,038 by 2040. The structure is 87 ft (26.5 m) long and 43 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesUS 85 Ml
CrossesSpring Creek
Location1.1 MI N of Pierce
RouteU.S. Route 85L
Coordinates40.65113, -104.75829
Functional classRural Principal Arterial - Other

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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating91.9 US tons
Inventory rating54.2 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length87 ft (26.5 m)
Longest span42 ft (12.9 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,100 (2020)
Projected traffic7,038 by 2040
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes

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 US 85 Ml over Spring Creek built?

It was built in 2005, making it 20 years old in 2025.

What condition is US 85 Ml over Spring Creek 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 July 2023.

How much traffic does US 85 Ml over Spring Creek carry?

About 5,100 vehicles per day (2020 count), of which roughly 17% are trucks.

How long is US 85 Ml over Spring Creek?

The structure is 87 ft (26.5 m) long with a longest span of 42 ft (12.9 m) and a deck 43 ft wide.

Who owns US 85 Ml over Spring Creek?

It is owned by the State Highway Agency.