US Bridges

US 36 Ml over Pecos Street

Fair

Adams County, Colorado · In Westminster · Structure no. E-16-RB

Built
2001
24 years old
Condition
Fair
inspected August 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
198 ft
2 main spans
Daily traffic
129,000
2020 count
Owner
State
State Highway Agency

About this bridge

US 36 Ml over Pecos Street is a prestressed concrete continuous box beam or girders - multiple carrying US 36 Ml over Pecos Street in Adams County, Colorado. It was built in 2001, so it is 24 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 129,000 vehicles a day, roughly 3% of them trucks, projected to reach 157,380 by 2040. The structure is 198 ft (60.5 m) long and 169 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesUS 36 Ml
CrossesPecos Street
LocationIn Westminster
RouteU.S. Route 36B
Coordinates39.83059, -105.00652
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating83.4 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length198 ft (60.5 m)
Longest span98 ft (29.8 m)
Deck width169 ft (51.6 m)
Roadway width162 ft (49.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic129,000 (2020)
Projected traffic157,380 by 2040
Trucks3%
Lanes on structure7
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed0.6 mi (1 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 36 Ml over Pecos Street built?

It was built in 2001, making it 24 years old in 2025.

What condition is US 36 Ml over Pecos Street 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 August 2024.

How much traffic does US 36 Ml over Pecos Street carry?

About 129,000 vehicles per day (2020 count), of which roughly 3% are trucks.

How long is US 36 Ml over Pecos Street?

The structure is 198 ft (60.5 m) long with a longest span of 98 ft (29.8 m) and a deck 169 ft wide.

Who owns US 36 Ml over Pecos Street?

It is owned by the State Highway Agency.