US Bridges

County RD 91 over Bijou Canal

Good

Weld County, Colorado · 0.5 MI S of US HWY 34 · Structure no. WEL091.0_040.0A

Built
2020
5 years old
Condition
Good
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
50 ft
1 main span
Daily traffic
90
2023 count
Owner
County
County Highway Agency

About this bridge

County RD 91 over Bijou Canal is a steel stringer/multi-beam or girder carrying County RD 91 over Bijou Canal in Weld County, Colorado. It was built in 2020, so it is 5 years old, younger 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 90 vehicles a day, roughly 19% of them trucks, projected to reach 128 by 2042. The structure is 50 ft (15.2 m) long and 35 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesCounty RD 91
CrossesBijou Canal
Location0.5 MI S of US HWY 34
RouteCounty Highway 0
CountyWeld County
StateColorado
Coordinates40.28388, -104.20668
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
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating67.9 US tons
Inventory rating52.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHL 93
Structure length50 ft (15.2 m)
Longest span48 ft (14.5 m)
Deck width35 ft (10.8 m)
Roadway width35 ft (10.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic90 (2023)
Projected traffic128 by 2042
Trucks19%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was County RD 91 over Bijou Canal built?

It was built in 2020, making it 5 years old in 2025.

What condition is County RD 91 over Bijou 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 February 2024.

How much traffic does County RD 91 over Bijou Canal carry?

About 90 vehicles per day (2023 count), of which roughly 19% are trucks.

How long is County RD 91 over Bijou Canal?

The structure is 50 ft (15.2 m) long with a longest span of 48 ft (14.5 m) and a deck 35 ft wide.

Who owns County RD 91 over Bijou Canal?

It is owned by the County Highway Agency.