US Bridges

Mississippi Avenue over Upper Westerly Creek

Fair

Arapahoe County, Colorado · E of Havana at Kenton Way · Structure no. AUR11.0-C.6

Built
1972
53 years old
Condition
Fair
inspected November 2023
Type
Culvert
Concrete
Length
25 ft
2 main spans
Daily traffic
23,581
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Mississippi Avenue over Upper Westerly Creek is a concrete culvert carrying Mississippi Avenue over Upper Westerly Creek in Arapahoe County, Colorado. It was built in 1972, so it is 53 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 23,581 vehicles a day, roughly 5% of them trucks, projected to reach 28,769 by 2041. The structure is 25 ft (7.6 m) long and 126 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesMississippi Avenue
CrossesUpper Westerly Creek
LocationE of Havana at Kenton Way
RouteCity Street 0
Coordinates39.69644, -104.86038
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
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 alignment8: Equal to present desirable criteria
Operating rating55.9 US tons
Inventory rating39 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length25 ft (7.6 m)
Longest span12 ft (3.7 m)
Deck width126 ft (38.4 m)
Roadway width69 ft (20.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic23,581 (2021)
Projected traffic28,769 by 2041
Trucks5%
Lanes on structure6
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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Mississippi Avenue over Upper Westerly Creek built?

It was built in 1972, making it 53 years old in 2025.

What condition is Mississippi Avenue over Upper Westerly 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 Mississippi Avenue over Upper Westerly Creek carry?

About 23,581 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is Mississippi Avenue over Upper Westerly Creek?

The structure is 25 ft (7.6 m) long with a longest span of 12 ft (3.7 m) and a deck 126 ft wide.

Who owns Mississippi Avenue over Upper Westerly Creek?

It is owned by the City or Municipal Highway Agency.