US Bridges

County Road Mm over Sand Creek

Good

Yuma County, Colorado · 1.55 Miles North of Count · Structure no. YUMMM-08.55-A

Built
1996
29 years old
Condition
Good
inspected December 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
62 ft
1 main span
Daily traffic
99
2023 count
Owner
County
County Highway Agency

About this bridge

County Road Mm over Sand Creek is a prestressed concrete stringer/multi-beam or girder carrying County Road Mm over Sand Creek in Yuma County, Colorado. It was built in 1996, so it is 29 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 99 vehicles a day, roughly 8% of them trucks, projected to reach 62 by 2043. The structure is 62 ft (18.9 m) long and 35 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCounty Road Mm
CrossesSand Creek
Location1.55 Miles North of Count
RouteCounty Highway 0
Coordinates39.69719, -102.14266
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.1 US tons
Inventory rating40.8 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length62 ft (18.9 m)
Longest span57 ft (17.3 m)
Deck width35 ft (10.6 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic99 (2023)
Projected traffic62 by 2043
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 County Road Mm over Sand Creek built?

It was built in 1996, making it 29 years old in 2025.

What condition is County Road Mm over Sand 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 December 2024.

How much traffic does County Road Mm over Sand Creek carry?

About 99 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is County Road Mm over Sand Creek?

The structure is 62 ft (18.9 m) long with a longest span of 57 ft (17.3 m) and a deck 35 ft wide.

Who owns County Road Mm over Sand Creek?

It is owned by the County Highway Agency.