US Bridges

SH 63 Ml over Springdale Canal

Good

Logan County, Colorado · 27.4 MI N of JCT US 34 · Structure no. B-23-H

Built
1965
60 years old
Condition
Good
inspected January 2024
Type
Culvert
Concrete
Length
21 ft
1 main span
Daily traffic
2,000
2020 count
Owner
State
State Highway Agency

About this bridge

SH 63 Ml over Springdale Canal is a concrete culvert carrying SH 63 Ml over Springdale Canal in Logan County, Colorado. It was built in 1965, so it is 60 years old, older 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 2,000 vehicles a day, roughly 9% of them trucks, projected to reach 2,320 by 2040. The structure is 21 ft (6.3 m) long and 38 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesSH 63 Ml
CrossesSpringdale Canal
Location27.4 MI N of JCT US 34
RouteState Highway 63A
Coordinates40.54342, -103.26913
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 inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.3 US tons
Inventory rating37.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length21 ft (6.3 m)
Longest span21 ft (6.3 m)
Deck width38 ft (11.5 m)
Roadway width36 ft (10.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,000 (2020)
Projected traffic2,320 by 2040
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 63 Ml over Springdale Canal built?

It was built in 1965, making it 60 years old in 2025.

What condition is SH 63 Ml over Springdale Canal 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 January 2024.

How much traffic does SH 63 Ml over Springdale Canal carry?

About 2,000 vehicles per day (2020 count), of which roughly 9% are trucks.

How long is SH 63 Ml over Springdale Canal?

The structure is 21 ft (6.3 m) long with a longest span of 21 ft (6.3 m) and a deck 38 ft wide.

Who owns SH 63 Ml over Springdale Canal?

It is owned by the State Highway Agency.