US Bridges

NFSR 496 over Encampment River

Good

Jackson County, Colorado · 3.7 Mi. SE of Hog Park Cg · Structure no. 020604000001216

Built
1967
58 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
72 ft
3 main spans
Daily traffic
216
2018 count
Owner
Federal
U.S. Forest Service

About this bridge

NFSR 496 over Encampment River is a steel stringer/multi-beam or girder carrying NFSR 496 over Encampment River in Jackson County, Colorado. It was built in 1967, so it is 58 years old, older 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 216 vehicles a day, roughly 10% of them trucks, projected to reach 324 by 2045. The structure is 72 ft (21.9 m) long and 26 ft wide. If it were closed, the detour would be 620.7 mi (999 km).

CarriesNFSR 496
CrossesEncampment River
Location3.7 Mi. SE of Hog Park Cg
RouteFederal Lands Road 496
Coordinates41.0022, -106.81464
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating35.1 US tons
Inventory rating26.8 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length72 ft (21.9 m)
Longest span50 ft (15.2 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic216 (2018)
Projected traffic324 by 2045
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed620.7 mi (999 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 NFSR 496 over Encampment River built?

It was built in 1967, making it 58 years old in 2025.

What condition is NFSR 496 over Encampment 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 August 2023.

How much traffic does NFSR 496 over Encampment River carry?

About 216 vehicles per day (2018 count), of which roughly 10% are trucks.

How long is NFSR 496 over Encampment River?

The structure is 72 ft (21.9 m) long with a longest span of 50 ft (15.2 m) and a deck 26 ft wide.

Who owns NFSR 496 over Encampment River?

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