US Bridges

County Road 16 | N over Plum Creek

Good

Douglas County, Colorado · 1.0 Mile West of Santa Fe · Structure no. DOU016-01.96A

Built
2010
15 years old
Condition
Good
inspected February 2025
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
205 ft
3 main spans
Daily traffic
269
2021 count
Owner
County
County Highway Agency

About this bridge

County Road 16 | N over Plum Creek is a prestressed concrete continuous box beam or girders - multiple carrying County Road 16 | N over Plum Creek in Douglas County, Colorado. It was built in 2010, so it is 15 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 269 vehicles a day, roughly 9% of them trucks, projected to reach 360 by 2041. The structure is 205 ft (62.6 m) long and 39 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCounty Road 16 | N
CrossesPlum Creek
Location1.0 Mile West of Santa Fe
RouteCounty Highway 0
Coordinates39.48441, -105.00241
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
Deck7 GoodSome minor problems.
Superstructure9 ExcellentNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating106.8 US tons
Inventory rating82.1 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length205 ft (62.6 m)
Longest span78 ft (23.8 m)
Deck width39 ft (11.9 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic269 (2021)
Projected traffic360 by 2041
Trucks9%
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 16 | N over Plum Creek built?

It was built in 2010, making it 15 years old in 2025.

What condition is County Road 16 | N over Plum Creek 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 2025.

How much traffic does County Road 16 | N over Plum Creek carry?

About 269 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is County Road 16 | N over Plum Creek?

The structure is 205 ft (62.6 m) long with a longest span of 78 ft (23.8 m) and a deck 39 ft wide.

Who owns County Road 16 | N over Plum Creek?

It is owned by the County Highway Agency.