US Bridges

US 36 Ml over Comanche Creek

Good

Adams County, Colorado · 0.4 MI E of Strasburg · Structure no. F-19-BL

Built
2012
13 years old
Condition
Good
inspected September 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
142 ft
2 main spans
Daily traffic
3,400
2020 count
Owner
State
State Highway Agency

About this bridge

US 36 Ml over Comanche Creek is a prestressed concrete continuous box beam or girders - multiple carrying US 36 Ml over Comanche Creek in Adams County, Colorado. It was built in 2012, so it is 13 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 3,400 vehicles a day, roughly 6% of them trucks, projected to reach 3,910 by 2040. The structure is 142 ft (43.3 m) long and 43 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesUS 36 Ml
CrossesComanche Creek
Location0.4 MI E of Strasburg
RouteU.S. Route 36D
Coordinates39.73834, -104.31965
Functional classRural 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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.9 US tons
Inventory rating41.4 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length142 ft (43.3 m)
Longest span71 ft (21.6 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,400 (2020)
Projected traffic3,910 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

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 Comanche Creek built?

It was built in 2012, making it 13 years old in 2025.

What condition is US 36 Ml over Comanche Creek 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 September 2023.

How much traffic does US 36 Ml over Comanche Creek carry?

About 3,400 vehicles per day (2020 count), of which roughly 6% are trucks.

How long is US 36 Ml over Comanche Creek?

The structure is 142 ft (43.3 m) long with a longest span of 71 ft (21.6 m) and a deck 43 ft wide.

Who owns US 36 Ml over Comanche Creek?

It is owned by the State Highway Agency.