US Bridges

Irr# CO RD 500 over Cat Creek

Good

Archuleta County, Colorado · Near Camado · Structure no. AR500-15.8-TEMP

Built
2023
2 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
70 ft
1 main span
Daily traffic
13
2017 count
Owner
County
County Highway Agency

About this bridge

Irr# CO RD 500 over Cat Creek is a steel stringer/multi-beam or girder carrying Irr# CO RD 500 over Cat Creek in Archuleta County, Colorado. It was built in 2023, so it is 2 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. Its operating status is: open, would be posted or closed except for temporary shoring.

It carries about 13 vehicles a day, projected to reach 19 by 2037. The structure is 70 ft (21.2 m) long and 14 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesIrr# CO RD 500
CrossesCat Creek
LocationNear Camado
RouteCounty Highway 0
Coordinates37.03893, -107.20079
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.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, would be posted or closed except for temporary shoring
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 alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating44 US tons
Inventory rating34 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans1
Design loadHL 93
Structure length70 ft (21.2 m)
Longest span59 ft (17.9 m)
Deck width14 ft (4.3 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13 (2017)
Projected traffic19 by 2037
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 Irr# CO RD 500 over Cat Creek built?

It was built in 2023, making it 2 years old in 2025.

What condition is Irr# CO RD 500 over Cat 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 October 2024.

How much traffic does Irr# CO RD 500 over Cat Creek carry?

About 13 vehicles per day (2017 count).

How long is Irr# CO RD 500 over Cat Creek?

The structure is 70 ft (21.2 m) long with a longest span of 59 ft (17.9 m) and a deck 14 ft wide.

Who owns Irr# CO RD 500 over Cat Creek?

It is owned by the County Highway Agency.