US Bridges

Inverness DR E. over Cottonwood Creek

Fair

Arapahoe County, Colorado · 0.2 MI W of Inverness Dri · Structure no. ARA 46-10.2

Built
1978
47 years old, rebuilt 1998
Condition
Fair
inspected November 2023
Type
Tee Beam
Prestressed Concrete
Length
64 ft
1 main span
Daily traffic
10,611
2021 count
Owner
County
County Highway Agency

About this bridge

Inverness DR E. over Cottonwood Creek is a prestressed concrete tee beam carrying Inverness DR E. over Cottonwood Creek in Arapahoe County, Colorado. It was built in 1978 and reconstructed in 1998, so it is 47 years old, older 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 10,611 vehicles a day, roughly 6% of them trucks, projected to reach 12,945 by 2041. The structure is 64 ft (19.4 m) long and 65 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesInverness DR E.
CrossesCottonwood Creek
Location0.2 MI W of Inverness Dri
RouteCounty Highway 0
Coordinates39.58049, -104.86001
Functional classUrban 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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2023
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 alignment6: Equal to present minimum criteria
Operating rating40 US tons
Inventory rating36 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length64 ft (19.4 m)
Longest span59 ft (18 m)
Deck width65 ft (19.7 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,611 (2021)
Projected traffic12,945 by 2041
Trucks6%
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Inverness DR E. over Cottonwood Creek built?

It was built in 1978, making it 47 years old in 2025. It was reconstructed in 1998.

What condition is Inverness DR E. over Cottonwood Creek 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 November 2023.

How much traffic does Inverness DR E. over Cottonwood Creek carry?

About 10,611 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is Inverness DR E. over Cottonwood Creek?

The structure is 64 ft (19.4 m) long with a longest span of 59 ft (18 m) and a deck 65 ft wide.

Who owns Inverness DR E. over Cottonwood Creek?

It is owned by the County Highway Agency.