US Bridges

NFSR 496 over E. Fork Encampment River

Good

Carbon County, Wyoming · No Data Entered · Structure no. 020602000001054

Built
1972
53 years old
Condition
Good
inspected August 2023
Type
Culvert
Steel
Length
42 ft
2 main spans
Daily traffic
50
Owner
Federal
U.S. Forest Service

About this bridge

NFSR 496 over E. Fork Encampment River is a steel culvert carrying NFSR 496 over E. Fork Encampment River in Carbon County, Wyoming. It was built in 1972, so it is 53 years old, older than the Wyoming average of 48.4 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 50 vehicles a day, projected to reach 75 by 2045. The structure is 42 ft (12.9 m) long. If it were closed, the detour would be 620.7 mi (999 km).

CarriesNFSR 496
CrossesE. Fork Encampment River
LocationNo Data Entered
RouteFederal Lands Road 496
StateWyoming
Coordinates41.01348, -106.80473
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
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating43.2 US tons
Inventory rating34.6 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadUnknown
Structure length42 ft (12.9 m)
Longest span20 ft (6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (—)
Projected traffic75 by 2045
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-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 E. Fork Encampment River built?

It was built in 1972, making it 53 years old in 2025.

What condition is NFSR 496 over E. Fork 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 E. Fork Encampment River carry?

About 50 vehicles per day (latest count).

How long is NFSR 496 over E. Fork Encampment River?

The structure is 42 ft (12.9 m) long with a longest span of 20 ft (6 m).

Who owns NFSR 496 over E. Fork Encampment River?

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