US Bridges

County Road P over Prewitt Inlet Canal

Fair

Washington County, Colorado · 0.4 Mi. N. of Co. Rd. 57 · Structure no. WTNP-57.40-A

Built
1997
28 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
63 ft
1 main span
Daily traffic
10
2023 count
Owner
County
County Highway Agency

About this bridge

County Road P over Prewitt Inlet Canal is a steel stringer/multi-beam or girder carrying County Road P over Prewitt Inlet Canal in Washington 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 6 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 10 vehicles a day, roughly 18% of them trucks, projected to reach 13 by 2042. The structure is 63 ft (19.2 m) long and 34 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesCounty Road P
CrossesPrewitt Inlet Canal
Location0.4 Mi. N. of Co. Rd. 57
RouteCounty Highway 0
CountyWashington County
StateColorado
Coordinates40.39897, -103.44597
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
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 alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating40 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length63 ft (19.2 m)
Longest span60 ft (18.4 m)
Deck width34 ft (10.5 m)
Roadway width32 ft (9.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2023)
Projected traffic13 by 2042
Trucks18%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was County Road P over Prewitt Inlet Canal built?

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

What condition is County Road P over Prewitt Inlet 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 October 2023.

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

About 10 vehicles per day (2023 count), of which roughly 18% are trucks.

How long is County Road P over Prewitt Inlet Canal?

The structure is 63 ft (19.2 m) long with a longest span of 60 ft (18.4 m) and a deck 34 ft wide.

Who owns County Road P over Prewitt Inlet Canal?

It is owned by the County Highway Agency.