US Bridges

E-470 SB over Burlington Ditch

Fair

Adams County, Colorado · 34.79 MI from I25 · Structure no. E-470-34.79B

Built
2002
23 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
183 ft
2 main spans
Daily traffic
22,442
2018 count
Owner
Toll Authority
Local Toll Authority

About this bridge

E-470 SB over Burlington Ditch is a prestressed concrete continuous stringer/multi-beam or girder carrying E-470 SB over Burlington Ditch in Adams County, Colorado. It was built in 2002, so it is 23 years old, younger 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 22,442 vehicles a day, roughly 6% of them trucks, projected to reach 39,946 by 2038. The structure is 183 ft (55.8 m) long and 40 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesE-470 SB
CrossesBurlington Ditch
Location34.79 MI from I25
CountyAdams County
StateColorado
Coordinates39.92071, -104.793
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52.5 US tons
Inventory rating37.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length183 ft (55.8 m)
Longest span99 ft (30.2 m)
Deck width40 ft (12.2 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22,442 (2018)
Projected traffic39,946 by 2038
Trucks6%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a toll road
National Highway SystemYes

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 E-470 SB over Burlington Ditch built?

It was built in 2002, making it 23 years old in 2025.

What condition is E-470 SB over Burlington Ditch 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 July 2023.

How much traffic does E-470 SB over Burlington Ditch carry?

About 22,442 vehicles per day (2018 count), of which roughly 6% are trucks.

How long is E-470 SB over Burlington Ditch?

The structure is 183 ft (55.8 m) long with a longest span of 99 ft (30.2 m) and a deck 40 ft wide.

Who owns E-470 SB over Burlington Ditch?

It is owned by the Local Toll Authority.