US Bridges

County Road 51 over New Cache LA Poudre Cana

FairPosted for load

Weld County, Colorado · 0.4 MI N of ST HWY 392 · Structure no. WEL051.0-068.0A

Built
1982
43 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
49 ft
1 main span
Daily traffic
360
2022 count
Owner
County
County Highway Agency

About this bridge

County Road 51 over New Cache LA Poudre Cana is a steel stringer/multi-beam or girder carrying County Road 51 over New Cache LA Poudre Cana in Weld County, Colorado. It was built in 1982, so it is 43 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. Its operating status is: posted for load restriction.

It carries about 360 vehicles a day, roughly 27% of them trucks, projected to reach 511 by 2042. The structure is 49 ft (14.9 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCounty Road 51
CrossesNew Cache LA Poudre Cana
Location0.4 MI N of ST HWY 392
RouteCounty Highway 0
CountyWeld County
StateColorado
Coordinates40.485, -104.584
Functional classRural Minor Collector

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating17 US tons
Inventory rating10.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHS 20
Structure length49 ft (14.9 m)
Longest span40 ft (12.3 m)
Deck width32 ft (9.7 m)
Roadway width31 ft (9.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic360 (2022)
Projected traffic511 by 2042
Trucks27%
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 51 over New Cache LA Poudre Cana built?

It was built in 1982, making it 43 years old in 2025.

What condition is County Road 51 over New Cache LA Poudre Cana 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 51 over New Cache LA Poudre Cana carry?

About 360 vehicles per day (2022 count), of which roughly 27% are trucks.

How long is County Road 51 over New Cache LA Poudre Cana?

The structure is 49 ft (14.9 m) long with a longest span of 40 ft (12.3 m) and a deck 32 ft wide.

Who owns County Road 51 over New Cache LA Poudre Cana?

It is owned by the County Highway Agency.