US Bridges

US 85 Ml over Owl Creek

Fair

Weld County, Colorado · 5 MI S of Wyoming S.L. · Structure no. A-17-Y

Built
2011
14 years old
Condition
Fair
inspected July 2023
Type
Culvert
Concrete
Length
33 ft
2 main spans
Daily traffic
3,000
2020 count
Owner
State
State Highway Agency

About this bridge

US 85 Ml over Owl Creek is a concrete culvert carrying US 85 Ml over Owl Creek in Weld County, Colorado. It was built in 2011, so it is 14 years old, younger 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 6 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 3,000 vehicles a day, roughly 22% of them trucks, projected to reach 4,200 by 2040. The structure is 33 ft (10 m) long and 90 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesUS 85 Ml
CrossesOwl Creek
Location5 MI S of Wyoming S.L.
RouteU.S. Route 85L
Coordinates40.9304, -104.80065
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.5 US tons
Inventory rating56.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length33 ft (10 m)
Longest span16 ft (4.9 m)
Deck width90 ft (27.4 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,000 (2020)
Projected traffic4,200 by 2040
Trucks22%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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 Owl Creek built?

It was built in 2011, making it 14 years old in 2025.

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

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

About 3,000 vehicles per day (2020 count), of which roughly 22% are trucks.

How long is US 85 Ml over Owl Creek?

The structure is 33 ft (10 m) long with a longest span of 16 ft (4.9 m) and a deck 90 ft wide.

Who owns US 85 Ml over Owl Creek?

It is owned by the State Highway Agency.