US Bridges

County Road 5825 over Ironstone Canal

Good

Montrose County, Colorado · 1.2 MI W of Olathe · Structure no. 085582500.1591A

Built
1996
29 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
43 ft
1 main span
Daily traffic
591
2022 count
Owner
County
County Highway Agency

About this bridge

County Road 5825 over Ironstone Canal is a steel stringer/multi-beam or girder carrying County Road 5825 over Ironstone Canal in Montrose 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 591 vehicles a day, roughly 2% of them trucks, projected to reach 686 by 2042. The structure is 43 ft (13.2 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCounty Road 5825
CrossesIronstone Canal
Location1.2 MI W of Olathe
RouteCounty Highway 0
CountyMontrose County
StateColorado
Coordinates38.60376, -107.99949
Functional classRural Minor Collector

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.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.8 US tons
Inventory rating37 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length43 ft (13.2 m)
Longest span41 ft (12.6 m)
Deck width30 ft (9.2 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic591 (2022)
Projected traffic686 by 2042
Trucks2%
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

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 5825 over Ironstone Canal built?

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

What condition is County Road 5825 over Ironstone Canal 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 County Road 5825 over Ironstone Canal carry?

About 591 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is County Road 5825 over Ironstone Canal?

The structure is 43 ft (13.2 m) long with a longest span of 41 ft (12.6 m) and a deck 30 ft wide.

Who owns County Road 5825 over Ironstone Canal?

It is owned by the County Highway Agency.