US Bridges

County Road 70 over New Cache Lapoudre Canal

Fair

Weld County, Colorado · 200 Ft E of CO RD 47 · Structure no. WEL070.0-047.0A

Built
1960
65 years old, rebuilt 2002
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
30 ft
1 main span
Daily traffic
222
2023 count
Owner
County
County Highway Agency

About this bridge

County Road 70 over New Cache Lapoudre Canal is a steel stringer/multi-beam or girder carrying County Road 70 over New Cache Lapoudre Canal in Weld County, Colorado. It was built in 1960 and reconstructed in 2002, so it is 65 years old, older than the Colorado average of 42.2 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 222 vehicles a day, roughly 37% of them trucks, projected to reach 315 by 2042. The structure is 30 ft (9.2 m) long and 24 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCounty Road 70
CrossesNew Cache Lapoudre Canal
Location200 Ft E of CO RD 47
RouteCounty Highway 0
Coordinates40.49349, -104.61975
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43.4 US tons
Inventory rating26 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadUnknown
Structure length30 ft (9.2 m)
Longest span27 ft (8.2 m)
Deck width24 ft (7.4 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic222 (2023)
Projected traffic315 by 2042
Trucks37%
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 70 over New Cache Lapoudre Canal built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 2002.

What condition is County Road 70 over New Cache Lapoudre Canal in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in March 2024.

How much traffic does County Road 70 over New Cache Lapoudre Canal carry?

About 222 vehicles per day (2023 count), of which roughly 37% are trucks.

How long is County Road 70 over New Cache Lapoudre Canal?

The structure is 30 ft (9.2 m) long with a longest span of 27 ft (8.2 m) and a deck 24 ft wide.

Who owns County Road 70 over New Cache Lapoudre Canal?

It is owned by the County Highway Agency.