US Bridges

US 36 Ml over Little Comanche Creek

Fair

Adams County, Colorado · 0.5 MI E of Strasburg · Structure no. F-19-C

Built
1932
93 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
109 ft
4 main spans
Daily traffic
3,400
2020 count
Owner
State
State Highway Agency

About this bridge

US 36 Ml over Little Comanche Creek is a wood or timber stringer/multi-beam or girder carrying US 36 Ml over Little Comanche Creek in Adams County, Colorado. It was built in 1932, so it is 93 years old, older 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 5 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 3,400 vehicles a day, roughly 6% of them trucks, projected to reach 3,910 by 2040. The structure is 109 ft (33.2 m) long and 31 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesUS 36 Ml
CrossesLittle Comanche Creek
Location0.5 MI E of Strasburg
RouteU.S. Route 36D
Coordinates39.73838, -104.31616
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating45.9 US tons
Inventory rating29.1 US tons

Structure

MaterialWood or Timber
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length109 ft (33.2 m)
Longest span27 ft (8.2 m)
Deck width31 ft (9.4 m)
Roadway width30 ft (9.1 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 statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was US 36 Ml over Little Comanche Creek built?

It was built in 1932, making it 93 years old in 2025.

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

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

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

How long is US 36 Ml over Little Comanche Creek?

The structure is 109 ft (33.2 m) long with a longest span of 27 ft (8.2 m) and a deck 31 ft wide.

Who owns US 36 Ml over Little Comanche Creek?

It is owned by the State Highway Agency.