US Bridges

County Road 14 over Speer Canal

Good

Weld County, Colorado · 2.2 MI E of CO RD 31 · Structure no. WEL014.0-035.0A

Built
1978
47 years old
Condition
Good
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
26 ft
1 main span
Daily traffic
608
2022 count
Owner
County
County Highway Agency

About this bridge

County Road 14 over Speer Canal is a steel stringer/multi-beam or girder carrying County Road 14 over Speer Canal in Weld County, Colorado. It was built in 1978, so it is 47 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 608 vehicles a day, roughly 28% of them trucks, projected to reach 864 by 2042. The structure is 26 ft (7.8 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCounty Road 14
CrossesSpeer Canal
Location2.2 MI E of CO RD 31
RouteCounty Highway 0
Coordinates40.08744, -104.73183
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 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 rating60.2 US tons
Inventory rating36 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHS 20
Structure length26 ft (7.8 m)
Longest span23 ft (7 m)
Deck width32 ft (9.7 m)
Roadway width31 ft (9.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic608 (2022)
Projected traffic864 by 2042
Trucks28%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 County Road 14 over Speer Canal built?

It was built in 1978, making it 47 years old in 2025.

What condition is County Road 14 over Speer 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 March 2024.

How much traffic does County Road 14 over Speer Canal carry?

About 608 vehicles per day (2022 count), of which roughly 28% are trucks.

How long is County Road 14 over Speer Canal?

The structure is 26 ft (7.8 m) long with a longest span of 23 ft (7 m) and a deck 32 ft wide.

Who owns County Road 14 over Speer Canal?

It is owned by the County Highway Agency.