US Bridges

SH 64 Ml over Yellow Creek

Good

Rio Blanco County, Colorado · 26 MI E of Rangely · Structure no. D-03-D

Built
1997
28 years old
Condition
Good
inspected May 2022
Type
Culvert
Concrete
Length
44 ft
3 main spans
Daily traffic
670
2020 count
Owner
State
State Highway Agency

About this bridge

SH 64 Ml over Yellow Creek is a concrete culvert carrying SH 64 Ml over Yellow Creek in Rio Blanco County, Colorado. It was built in 1997, so it is 28 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 8 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 44 ft (13.3 m) long and 58 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesSH 64 Ml
CrossesYellow Creek
Location26 MI E of Rangely
RouteState Highway 64A
Coordinates40.16825, -108.40121
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.
Culvert8 Very GoodNo problems noted.
Last inspectionMay 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length44 ft (13.3 m)
Longest span14 ft (4.3 m)
Deck width58 ft (17.7 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 Yellow Creek built?

It was built in 1997, making it 28 years old in 2025.

What condition is SH 64 Ml over Yellow 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 Yellow Creek carry?

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

How long is SH 64 Ml over Yellow Creek?

The structure is 44 ft (13.3 m) long with a longest span of 14 ft (4.3 m) and a deck 58 ft wide.

Who owns SH 64 Ml over Yellow Creek?

It is owned by the State Highway Agency.