US Bridges

County Road 5800 over Ironstone Canal

Good

Montrose County, Colorado · .15 MI S of SH348 · Structure no. 085580000.1090A

Built
1992
33 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
43 ft
1 main span
Daily traffic
62
2022 count
Owner
County
County Highway Agency

About this bridge

County Road 5800 over Ironstone Canal is a steel stringer/multi-beam or girder carrying County Road 5800 over Ironstone Canal in Montrose County, Colorado. It was built in 1992, so it is 33 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 62 vehicles a day, projected to reach 72 by 2042. The structure is 43 ft (13.2 m) long and 27 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesCounty Road 5800
CrossesIronstone Canal
Location.15 MI S of SH348
RouteCounty Highway 0
Coordinates38.60382, -108.00409
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 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 rating53.9 US tons
Inventory rating32.2 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHS 20
Structure length43 ft (13.2 m)
Longest span41 ft (12.6 m)
Deck width27 ft (8.2 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic62 (2022)
Projected traffic72 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 5800 over Ironstone Canal built?

It was built in 1992, making it 33 years old in 2025.

What condition is County Road 5800 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 5800 over Ironstone Canal carry?

About 62 vehicles per day (2022 count).

How long is County Road 5800 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 27 ft wide.

Who owns County Road 5800 over Ironstone Canal?

It is owned by the County Highway Agency.