US Bridges

County Road 36 over Prewitt Inlet Canal

Good

Washington County, Colorado · 0.7 MI N of CO RD Aa · Structure no. MG36-0.7-AA-A

Built
2000
25 years old
Condition
Good
inspected November 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
60 ft
1 main span
Daily traffic
13
2023 count
Owner
County
County Highway Agency

About this bridge

County Road 36 over Prewitt Inlet Canal is a prestressed concrete box beam or girders - multiple carrying County Road 36 over Prewitt Inlet Canal in Washington County, Colorado. It was built in 2000, so it is 25 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 13 vehicles a day, roughly 19% of them trucks, projected to reach 16 by 2043. The structure is 60 ft (18.4 m) long and 33 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesCounty Road 36
CrossesPrewitt Inlet Canal
Location0.7 MI N of CO RD Aa
RouteCounty Highway 0
CountyWashington County
StateColorado
Coordinates40.38869, -103.46461
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 inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating76.9 US tons
Inventory rating46.1 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length60 ft (18.4 m)
Longest span56 ft (17.1 m)
Deck width33 ft (10.2 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13 (2023)
Projected traffic16 by 2043
Trucks19%
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was County Road 36 over Prewitt Inlet Canal built?

It was built in 2000, making it 25 years old in 2025.

What condition is County Road 36 over Prewitt Inlet 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 November 2024.

How much traffic does County Road 36 over Prewitt Inlet Canal carry?

About 13 vehicles per day (2023 count), of which roughly 19% are trucks.

How long is County Road 36 over Prewitt Inlet Canal?

The structure is 60 ft (18.4 m) long with a longest span of 56 ft (17.1 m) and a deck 33 ft wide.

Who owns County Road 36 over Prewitt Inlet Canal?

It is owned by the County Highway Agency.