US Bridges

SH 64 Ml over Draw

Good

Rio Blanco County, Colorado · 15 MI E of JCT SH 139 · Structure no. D-02-I

Built
2000
25 years old
Condition
Good
inspected July 2024
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
670
2020 count
Owner
State
State Highway Agency

About this bridge

SH 64 Ml over Draw is a concrete culvert carrying SH 64 Ml over Draw in Rio Blanco County, Colorado. It was built in 2000, so it is 25 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 670 vehicles a day, roughly 16% of them trucks, projected to reach 744 by 2040. The structure is 21 ft (6.4 m) long and 70 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesSH 64 Ml
CrossesDraw
Location15 MI E of JCT SH 139
RouteState Highway 64A
Coordinates40.1771, -108.55622
Functional classRural Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67.9 US tons
Inventory rating53.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length21 ft (6.4 m)
Longest span10 ft (3 m)
Deck width70 ft (21.3 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic670 (2020)
Projected traffic744 by 2040
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 SH 64 Ml over Draw built?

It was built in 2000, making it 25 years old in 2025.

What condition is SH 64 Ml over Draw 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 2024.

How much traffic does SH 64 Ml over Draw carry?

About 670 vehicles per day (2020 count), of which roughly 16% are trucks.

How long is SH 64 Ml over Draw?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m) and a deck 70 ft wide.

Who owns SH 64 Ml over Draw?

It is owned by the State Highway Agency.