US Bridges

SH 64 Ml over Douglas Creek

Good

Rio Blanco County, Colorado · 1 MI E of Rangely · Structure no. D-01-R

Built
1990
35 years old
Condition
Good
inspected May 2022
Type
Culvert
Concrete
Length
51 ft
2 main spans
Daily traffic
1,600
2020 count
Owner
State
State Highway Agency

About this bridge

SH 64 Ml over Douglas Creek is a concrete culvert carrying SH 64 Ml over Douglas Creek in Rio Blanco County, Colorado. It was built in 1990, so it is 35 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 1,600 vehicles a day, roughly 8% of them trucks, projected to reach 2,000 by 2040. The structure is 51 ft (15.5 m) long and 47 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

CarriesSH 64 Ml
CrossesDouglas Creek
Location1 MI E of Rangely
RouteState Highway 64A
Coordinates40.08804, -108.77573
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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionMay 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99.5 US tons
Inventory rating60.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length51 ft (15.5 m)
Longest span25 ft (7.6 m)
Deck width47 ft (14.2 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,600 (2020)
Projected traffic2,000 by 2040
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 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 Douglas Creek built?

It was built in 1990, making it 35 years old in 2025.

What condition is SH 64 Ml over Douglas 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 May 2022.

How much traffic does SH 64 Ml over Douglas Creek carry?

About 1,600 vehicles per day (2020 count), of which roughly 8% are trucks.

How long is SH 64 Ml over Douglas Creek?

The structure is 51 ft (15.5 m) long with a longest span of 25 ft (7.6 m) and a deck 47 ft wide.

Who owns SH 64 Ml over Douglas Creek?

It is owned by the State Highway Agency.