US Bridges

Fdr 520.2C over Rio Grande River

Good

Hinsdale County, Colorado · 0.1 MI on Fdr 520.2C · Structure no. 020904000003031

Built
2008
17 years old
Condition
Good
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
99 ft
1 main span
Daily traffic
155
2003 count
Owner
Federal
U.S. Forest Service

About this bridge

Fdr 520.2C over Rio Grande River is a steel stringer/multi-beam or girder carrying Fdr 520.2C over Rio Grande River in Hinsdale County, Colorado. It was built in 2008, so it is 17 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 155 vehicles a day, roughly 10% of them trucks, projected to reach 232 by 2045. The structure is 99 ft (30.2 m) long and 14 ft wide. If it were closed, the detour would be 98.2 mi (158 km).

CarriesFdr 520.2C
CrossesRio Grande River
Location0.1 MI on Fdr 520.2C
RouteFederal Lands Road 520.2
Coordinates37.72497, -107.25608
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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating33.6 US tons
Inventory rating26.1 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHS 20
Structure length99 ft (30.2 m)
Longest span95 ft (29.1 m)
Deck width14 ft (4.3 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic155 (2003)
Projected traffic232 by 2045
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.2 mi (158 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerU.S. Forest Service
Maintained byU.S. Forest Service
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Fdr 520.2C over Rio Grande River built?

It was built in 2008, making it 17 years old in 2025.

What condition is Fdr 520.2C over Rio Grande River 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 July 2023.

How much traffic does Fdr 520.2C over Rio Grande River carry?

About 155 vehicles per day (2003 count), of which roughly 10% are trucks.

How long is Fdr 520.2C over Rio Grande River?

The structure is 99 ft (30.2 m) long with a longest span of 95 ft (29.1 m) and a deck 14 ft wide.

Who owns Fdr 520.2C over Rio Grande River?

It is owned by the U.S. Forest Service.