US Bridges

County Road 31 over New Cache LA Poudre Cana

Fair

Weld County, Colorado · 0.5 MI N of ST HWY 392 · Structure no. WEL031.0_068.0A

Built
1997
28 years old
Condition
Fair
inspected March 2024
Type
Tee Beam
Prestressed Concrete
Length
54 ft
1 main span
Daily traffic
4,953
2023 count
Owner
County
County Highway Agency

About this bridge

County Road 31 over New Cache LA Poudre Cana is a prestressed concrete tee beam carrying County Road 31 over New Cache LA Poudre Cana in Weld 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 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 4,953 vehicles a day, roughly 13% of them trucks, projected to reach 7,033 by 2042. The structure is 54 ft (16.4 m) long and 39 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCounty Road 31
CrossesNew Cache LA Poudre Cana
Location0.5 MI N of ST HWY 392
RouteCounty Highway 0
CountyWeld County
StateColorado
Coordinates40.489, -104.773
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
Deck9 ExcellentNo problems noted.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
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 rating40 US tons
Inventory rating36 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length54 ft (16.4 m)
Longest span50 ft (15.2 m)
Deck width39 ft (12 m)
Roadway width37 ft (11.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,953 (2023)
Projected traffic7,033 by 2042
Trucks13%
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 31 over New Cache LA Poudre Cana built?

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

What condition is County Road 31 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 31 over New Cache LA Poudre Cana carry?

About 4,953 vehicles per day (2023 count), of which roughly 13% are trucks.

How long is County Road 31 over New Cache LA Poudre Cana?

The structure is 54 ft (16.4 m) long with a longest span of 50 ft (15.2 m) and a deck 39 ft wide.

Who owns County Road 31 over New Cache LA Poudre Cana?

It is owned by the County Highway Agency.