US Bridges

Big Cimarron RD over Cimarron Ditch

Good

Montrose County, Colorado · 7.6 MI S of SH50 · Structure no. 085000111.8027A

Built
2018
7 years old
Condition
Good
inspected October 2023
Type
Culvert
Concrete
Length
22 ft
1 main span
Daily traffic
189
2022 count
Owner
County
County Highway Agency

About this bridge

Big Cimarron RD over Cimarron Ditch is a concrete culvert carrying Big Cimarron RD over Cimarron Ditch in Montrose County, Colorado. It was built in 2018, so it is 7 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 189 vehicles a day, projected to reach 219 by 2042. The structure is 22 ft (6.6 m) long and 65 ft wide. If it were closed, the detour would be 55.3 mi (89 km).

CarriesBig Cimarron RD
CrossesCimarron Ditch
Location7.6 MI S of SH50
RouteCounty Highway 0
Coordinates38.33757, -107.58773
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating68.6 US tons
Inventory rating52.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHL 93
Structure length22 ft (6.6 m)
Longest span22 ft (6.6 m)
Deck width65 ft (19.7 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic189 (2022)
Projected traffic219 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed55.3 mi (89 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 Cimarron Ditch built?

It was built in 2018, making it 7 years old in 2025.

What condition is Big Cimarron RD over Cimarron Ditch 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 October 2023.

How much traffic does Big Cimarron RD over Cimarron Ditch carry?

About 189 vehicles per day (2022 count).

How long is Big Cimarron RD over Cimarron Ditch?

The structure is 22 ft (6.6 m) long with a longest span of 22 ft (6.6 m) and a deck 65 ft wide.

Who owns Big Cimarron RD over Cimarron Ditch?

It is owned by the County Highway Agency.