US Bridges

US 285 Ml Sbnd over Elk Creek Road

Good

Jefferson County, Colorado · Shaffers Crossing · Structure no. G-15-R

Built
2010
15 years old
Condition
Good
inspected August 2023
Type
Slab
Prestressed Concrete
Length
64 ft
1 main span
Daily traffic
9,500
2020 count
Owner
State
State Highway Agency

About this bridge

US 285 Ml Sbnd over Elk Creek Road is a prestressed concrete slab carrying US 285 Ml Sbnd over Elk Creek Road in Jefferson 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 9,500 vehicles a day, roughly 4% of them trucks, projected to reach 11,210 by 2040. The structure is 64 ft (19.6 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 285 Ml Sbnd
CrossesElk Creek Road
LocationShaffers Crossing
RouteU.S. Route 285D
Coordinates39.4796, -105.36827
Functional classRural Principal Arterial - Other

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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating57.1 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length64 ft (19.6 m)
Longest span62 ft (18.8 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,500 (2020)
Projected traffic11,210 by 2040
Trucks4%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 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 Sbnd over Elk Creek Road built?

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

What condition is US 285 Ml Sbnd over Elk Creek Road 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 August 2023.

How much traffic does US 285 Ml Sbnd over Elk Creek Road carry?

About 9,500 vehicles per day (2020 count), of which roughly 4% are trucks.

How long is US 285 Ml Sbnd over Elk Creek Road?

The structure is 64 ft (19.6 m) long with a longest span of 62 ft (18.8 m) and a deck 43 ft wide.

Who owns US 285 Ml Sbnd over Elk Creek Road?

It is owned by the State Highway Agency.