US Bridges

US 285 Ml over Little Dry Creek

Poor

Arapahoe County, Colorado · Hampden at Sherman · Structure no. F-17-CZ

Built
1955
70 years old
Condition
Poor
inspected March 2023
Type
Tee Beam
Concrete
Length
124 ft
3 main spans
Daily traffic
46,000
2020 count
Owner
State
State Highway Agency

About this bridge

US 285 Ml over Little Dry Creek is a concrete tee beam carrying US 285 Ml over Little Dry Creek in Arapahoe County, Colorado. It was built in 1955, so it is 70 years old, older than the Colorado average of 42.2 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 46,000 vehicles a day, roughly 4% of them trucks, projected to reach 47,380 by 2040. The structure is 124 ft (37.8 m) long and 96 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesUS 285 Ml
CrossesLittle Dry Creek
LocationHampden at Sherman
RouteU.S. Route 285D
Coordinates39.65129, -104.98471
Functional classUrban Other Principal Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41 US tons
Inventory rating25 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length124 ft (37.8 m)
Longest span40 ft (12.2 m)
Deck width96 ft (29.3 m)
Roadway width86 ft (26.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic46,000 (2020)
Projected traffic47,380 by 2040
Trucks4%
Lanes on structure7
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 US 285 Ml over Little Dry Creek built?

It was built in 1955, making it 70 years old in 2025.

What condition is US 285 Ml over Little Dry Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in March 2023.

How much traffic does US 285 Ml over Little Dry Creek carry?

About 46,000 vehicles per day (2020 count), of which roughly 4% are trucks.

How long is US 285 Ml over Little Dry Creek?

The structure is 124 ft (37.8 m) long with a longest span of 40 ft (12.2 m) and a deck 96 ft wide.

Who owns US 285 Ml over Little Dry Creek?

It is owned by the State Highway Agency.