US Bridges

26th Avenue over E-470

FairPosted for load

Adams County, Colorado · 21.43 MI from I25 · Structure no. E-470-21.43C

Built
1997
28 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
233 ft
2 main spans
Daily traffic
1,900
2022 count
Owner
Toll Authority
Local Toll Authority

About this bridge

26th Avenue over E-470 is a prestressed concrete continuous stringer/multi-beam or girder carrying 26th Avenue over E-470 in Adams County, Colorado. It was built in 1997, so it is 28 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. Its operating status is: posted for other load-capacity restriction.

It carries about 1,900 vehicles a day, roughly 4% of them trucks, projected to reach 3,382 by 2042. The structure is 233 ft (70.9 m) long and 46 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Carries26th Avenue
CrossesE-470
Location21.43 MI from I25
RouteCounty Highway 0
Coordinates39.75469, -104.71672
Functional classUrban Collector

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusPosted for other load-capacity restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating83.9 US tons
Inventory rating50.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length233 ft (70.9 m)
Longest span115 ft (35 m)
Deck width46 ft (14 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,900 (2022)
Projected traffic3,382 by 2042
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free 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 26th Avenue over E-470 built?

It was built in 1997, making it 28 years old in 2025.

What condition is 26th Avenue over E-470 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 2024.

How much traffic does 26th Avenue over E-470 carry?

About 1,900 vehicles per day (2022 count), of which roughly 4% are trucks.

How long is 26th Avenue over E-470?

The structure is 233 ft (70.9 m) long with a longest span of 115 ft (35 m) and a deck 46 ft wide.

Who owns 26th Avenue over E-470?

It is owned by the Local Toll Authority.