US Bridges

US 36 Ml over Draw

Fair

Washington County, Colorado · 3.1 MI E of Lindon · Structure no. F-23-H

Built
1938
87 years old, rebuilt 2001
Condition
Fair
inspected July 2023
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
570
2020 count
Owner
State
State Highway Agency

About this bridge

US 36 Ml over Draw is a concrete culvert carrying US 36 Ml over Draw in Washington County, Colorado. It was built in 1938 and reconstructed in 2001, so it is 87 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 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 570 vehicles a day, roughly 28% of them trucks, projected to reach 707 by 2040. The structure is 21 ft (6.4 m) long and 82 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesUS 36 Ml
CrossesDraw
Location3.1 MI E of Lindon
RouteU.S. Route 36D
Coordinates39.73929, -103.34764
Functional classRural Minor Arterial

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 evaluation3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating37.8 US tons
Inventory rating0 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 20
Structure length21 ft (6.4 m)
Longest span10 ft (3 m)
Deck width82 ft (25 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic570 (2020)
Projected traffic707 by 2040
Trucks28%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was US 36 Ml over Draw built?

It was built in 1938, making it 87 years old in 2025. It was reconstructed in 2001.

What condition is US 36 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 36 Ml over Draw carry?

About 570 vehicles per day (2020 count), of which roughly 28% are trucks.

How long is US 36 Ml over Draw?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m) and a deck 82 ft wide.

Who owns US 36 Ml over Draw?

It is owned by the State Highway Agency.