US Bridges

Vance CR Loop over Fir Creek

Good

Mason County, Washington · NFSR 23 to NFSR 2230 · Structure no. 060901000013132

Built
2010
15 years old
Condition
Good
inspected August 2021
Type
Slab
Prestressed Concrete
Length
56 ft
1 main span
Daily traffic
10
2012 count
Owner
Federal
U.S. Forest Service

About this bridge

Vance CR Loop over Fir Creek is a prestressed concrete slab carrying Vance CR Loop over Fir Creek in Mason County, Washington. It was built in 2010, so it is 15 years old, younger than the Washington average of 49.8 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.

It carries about 10 vehicles a day, projected to reach 15 by 2045. The structure is 56 ft (17.1 m) long and 16 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

CarriesVance CR Loop
CrossesFir Creek
LocationNFSR 23 to NFSR 2230
RouteFederal Lands Road 23500
Coordinates47.35351, -123.32116
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.7 US tons
Inventory rating50.7 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 25 or greater
Structure length56 ft (17.1 m)
Longest span55 ft (16.8 m)
Deck width16 ft (4.9 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2012)
Projected traffic15 by 2045
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 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 Vance CR Loop over Fir Creek built?

It was built in 2010, making it 15 years old in 2025.

What condition is Vance CR Loop over Fir 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 August 2021.

How much traffic does Vance CR Loop over Fir Creek carry?

About 10 vehicles per day (2012 count).

How long is Vance CR Loop over Fir Creek?

The structure is 56 ft (17.1 m) long with a longest span of 55 ft (16.8 m) and a deck 16 ft wide.

Who owns Vance CR Loop over Fir Creek?

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