US Bridges

Clayton Street over I 70 Ml

Good

Denver County, Colorado · Int of I70 and Clayton · Structure no. E-17-AEL-2

Built
2019
6 years old
Condition
Good
inspected August 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
229 ft
2 main spans
Daily traffic
5,970
2019 count
Owner
Local
Other Local Agency

About this bridge

Clayton Street over I 70 Ml is a prestressed concrete continuous box beam or girders - multiple carrying Clayton Street over I 70 Ml in Denver County, Colorado. It was built in 2019, so it is 6 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 5,970 vehicles a day, roughly 5% of them trucks, projected to reach 8,000 by 2042. The structure is 229 ft (69.7 m) long and 40 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesClayton Street
CrossesI 70 Ml
LocationInt of I70 and Clayton
RouteCity Street 0
Coordinates39.78016, -104.95421
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.
Superstructure8 Very GoodNo problems noted.
Substructure9 ExcellentNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.6 US tons
Inventory rating42.5 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadGreater than HL 93
Structure length229 ft (69.7 m)
Longest span115 ft (34.9 m)
Deck width40 ft (12.2 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,970 (2019)
Projected traffic8,000 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerOther Local Agency
Maintained byOther Local Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Clayton Street over I 70 Ml built?

It was built in 2019, making it 6 years old in 2025.

What condition is Clayton Street over I 70 Ml 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 Clayton Street over I 70 Ml carry?

About 5,970 vehicles per day (2019 count), of which roughly 5% are trucks.

How long is Clayton Street over I 70 Ml?

The structure is 229 ft (69.7 m) long with a longest span of 115 ft (34.9 m) and a deck 40 ft wide.

Who owns Clayton Street over I 70 Ml?

It is owned by the Other Local Agency.