US Bridges

Big Cimarron RD over Little Cimarron Creek

Fair

Montrose County, Colorado · .14 MI S of SH 50 · Structure no. 85006900.2003

Built
1970
55 years old
Condition
Fair
inspected September 2023
Type
Culvert
Concrete
Length
26 ft
2 main spans
Daily traffic
26
2022 count
Owner
County
County Highway Agency

About this bridge

Big Cimarron RD over Little Cimarron Creek is a concrete culvert carrying Big Cimarron RD over Little Cimarron Creek in Montrose County, Colorado. It was built in 1970, so it is 55 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 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 26 vehicles a day, projected to reach 31 by 2042. The structure is 26 ft (7.9 m) long and 52 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

CarriesBig Cimarron RD
CrossesLittle Cimarron Creek
Location.14 MI S of SH 50
RouteCounty Highway 0
Coordinates38.41224, -107.52693
Functional classRural Minor Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating56 US tons
Inventory rating33.5 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length26 ft (7.9 m)
Longest span12 ft (3.8 m)
Deck width52 ft (15.8 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic26 (2022)
Projected traffic31 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.3 mi (23 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 Big Cimarron RD over Little Cimarron Creek built?

It was built in 1970, making it 55 years old in 2025.

What condition is Big Cimarron RD over Little Cimarron 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 Big Cimarron RD over Little Cimarron Creek carry?

About 26 vehicles per day (2022 count).

How long is Big Cimarron RD over Little Cimarron Creek?

The structure is 26 ft (7.9 m) long with a longest span of 12 ft (3.8 m) and a deck 52 ft wide.

Who owns Big Cimarron RD over Little Cimarron Creek?

It is owned by the County Highway Agency.