US Bridges

County Road 90 over Pierce Lateral Canal

Fair

Weld County, Colorado · 0.7 MI E of CO RD 29 · Structure no. WEL090.0-029.1B

Built
1989
36 years old
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
24 ft
1 main span
Daily traffic
868
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

County Road 90 over Pierce Lateral Canal is a steel stringer/multi-beam or girder carrying County Road 90 over Pierce Lateral Canal in Weld County, Colorado. It was built in 1989, so it is 36 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 868 vehicles a day, roughly 33% of them trucks, projected to reach 1,233 by 2043. The structure is 24 ft (7.3 m) long and 31 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCounty Road 90
CrossesPierce Lateral Canal
Location0.7 MI E of CO RD 29
RouteCounty Highway 0
Coordinates40.64025, -104.77844
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 protection7 GoodSome minor problems.
Last inspectionFebruary 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 geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating33.3 US tons
Inventory rating20 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHS 20
Structure length24 ft (7.3 m)
Longest span21 ft (6.4 m)
Deck width31 ft (9.4 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic868 (2023)
Projected traffic1,233 by 2043
Trucks33%
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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 90 over Pierce Lateral Canal built?

It was built in 1989, making it 36 years old in 2025.

What condition is County Road 90 over Pierce Lateral 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 February 2024.

How much traffic does County Road 90 over Pierce Lateral Canal carry?

About 868 vehicles per day (2023 count), of which roughly 33% are trucks.

How long is County Road 90 over Pierce Lateral Canal?

The structure is 24 ft (7.3 m) long with a longest span of 21 ft (6.4 m) and a deck 31 ft wide.

Who owns County Road 90 over Pierce Lateral Canal?

It is owned by the City or Municipal Highway Agency.