US Bridges

Inverness Drive So over Cottonwood Creek

Good

Douglas County, Colorado · 0.2 MI E of Inv. Pwy · Structure no. DOU08C-00.50

Built
1996
29 years old
Condition
Good
inspected January 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
43 ft
1 main span
Daily traffic
2,336
2021 count
Owner
County
County Highway Agency

About this bridge

Inverness Drive So over Cottonwood Creek is a steel stringer/multi-beam or girder carrying Inverness Drive So over Cottonwood Creek in Douglas County, Colorado. It was built in 1996, so it is 29 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 2,336 vehicles a day, roughly 5% of them trucks, projected to reach 3,130 by 2041. The structure is 43 ft (13.2 m) long and 63 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesInverness Drive So
CrossesCottonwood Creek
Location0.2 MI E of Inv. Pwy
RouteCounty Highway 0
Coordinates39.55964, -104.86197
Functional classUrban 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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.6 US tons
Inventory rating30.3 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length43 ft (13.2 m)
Longest span40 ft (12.3 m)
Deck width63 ft (19.2 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,336 (2021)
Projected traffic3,130 by 2041
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$213,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Inverness Drive So over Cottonwood Creek built?

It was built in 1996, making it 29 years old in 2025.

What condition is Inverness Drive So over Cottonwood 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 January 2025.

How much traffic does Inverness Drive So over Cottonwood Creek carry?

About 2,336 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is Inverness Drive So over Cottonwood Creek?

The structure is 43 ft (13.2 m) long with a longest span of 40 ft (12.3 m) and a deck 63 ft wide.

Who owns Inverness Drive So over Cottonwood Creek?

It is owned by the County Highway Agency.