US Bridges

US 85 Ml over Draw

Fair

Weld County, Colorado · 2.3 MI S of Wyoming S.L. · Structure no. A-17-W

Built
1956
69 years old
Condition
Fair
inspected July 2023
Type
Tee Beam
Concrete
Length
69 ft
3 main spans
Daily traffic
3,000
2020 count
Owner
State
State Highway Agency

About this bridge

US 85 Ml over Draw is a concrete tee beam carrying US 85 Ml over Draw in Weld County, Colorado. It was built in 1956, so it is 69 years old, older 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 5 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 69 ft (21.1 m) long and 34 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesUS 85 Ml
CrossesDraw
Location2.3 MI S of Wyoming S.L.
RouteU.S. Route 85L
Coordinates40.9693, -104.79047
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40 US tons
Inventory rating24 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckOther
Main spans3
Design loadHS 20
Structure length69 ft (21.1 m)
Longest span22 ft (6.7 m)
Deck width34 ft (10.4 m)
Roadway width30 ft (9.1 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 Draw built?

It was built in 1956, making it 69 years old in 2025.

What condition is US 85 Ml over Draw 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 Draw carry?

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

How long is US 85 Ml over Draw?

The structure is 69 ft (21.1 m) long with a longest span of 22 ft (6.7 m) and a deck 34 ft wide.

Who owns US 85 Ml over Draw?

It is owned by the State Highway Agency.