US Bridges

Chambers Road SB over E-470

Good

Douglas County, Colorado · 3.54 MI from I 25 · Structure no. E-470-3.54D

Built
2004
21 years old
Condition
Good
inspected August 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
306 ft
2 main spans
Daily traffic
2,000
2018 count
Owner
Toll Authority
Local Toll Authority

About this bridge

Chambers Road SB over E-470 is a prestressed concrete continuous box beam or girders - multiple carrying Chambers Road SB over E-470 in Douglas County, Colorado. It was built in 2004, so it is 21 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 2,000 vehicles a day, roughly 2% of them trucks, projected to reach 3,400 by 2038. The structure is 306 ft (93.3 m) long and 50 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesChambers Road SB
CrossesE-470
Location3.54 MI from I 25
RouteCity Street 0
Coordinates39.553, -104.80808
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length306 ft (93.3 m)
Longest span148 ft (45.1 m)
Deck width50 ft (15.2 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,000 (2018)
Projected traffic3,400 by 2038
Trucks2%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a toll road
National Highway SystemNo

Ownership and planned work

OwnerLocal Toll Authority
Maintained byLocal Toll Authority
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 Chambers Road SB over E-470 built?

It was built in 2004, making it 21 years old in 2025.

What condition is Chambers Road SB over E-470 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 2024.

How much traffic does Chambers Road SB over E-470 carry?

About 2,000 vehicles per day (2018 count), of which roughly 2% are trucks.

How long is Chambers Road SB over E-470?

The structure is 306 ft (93.3 m) long with a longest span of 148 ft (45.1 m) and a deck 50 ft wide.

Who owns Chambers Road SB over E-470?

It is owned by the Local Toll Authority.