US Bridges

Grubstake-Hatchers over Willow Creek

PoorClosed to traffic

Matanuska-Susitna Borough, Alaska · Mile Point 0.1 · Structure no. 2128

Built
1945
80 years old
Condition
Poor
inspected June 2024
Type
Other
Steel
Length
41 ft
1 main span
Daily traffic
10
2010 count
Owner
State
State Highway Agency

About this bridge

Grubstake-Hatchers over Willow Creek is a steel other carrying Grubstake-Hatchers over Willow Creek in Matanuska-Susitna Borough, Alaska. It was built in 1945, so it is 80 years old, older than the Alaska average of 35.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 2 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: closed to all traffic.

It carries about 10 vehicles a day, roughly 1% of them trucks, projected to reach 12 by 2030. The structure is 41 ft (12.6 m) long and 19 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesGrubstake-Hatchers
CrossesWillow Creek
LocationMile Point 0.1
RouteState Lands Road 0
StateAlaska
Coordinates61.75891, -149.44321
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure2 CriticalAdvanced deterioration of primary structural elements. Bridge may be closed until corrective action is taken.
Substructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusClosed to all traffic
ScourUnknown foundation; not evaluated for scour
Structural evaluation0: Immediate repair necessary to put back in service
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating3 US tons
Inventory rating2.2 US tons

Structure

Structure typeOther
MaterialSteel
DeckWood or timber
Main spans1
Design loadUnknown
Structure length41 ft (12.6 m)
Longest span37 ft (11.3 m)
Deck width19 ft (5.9 m)
Roadway width19 ft (5.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2010)
Projected traffic12 by 2030
Trucks1%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Grubstake-Hatchers over Willow Creek built?

It was built in 1945, making it 80 years old in 2025.

What condition is Grubstake-Hatchers over Willow Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in June 2024.

How much traffic does Grubstake-Hatchers over Willow Creek carry?

About 10 vehicles per day (2010 count), of which roughly 1% are trucks.

How long is Grubstake-Hatchers over Willow Creek?

The structure is 41 ft (12.6 m) long with a longest span of 37 ft (11.3 m) and a deck 19 ft wide.

Who owns Grubstake-Hatchers over Willow Creek?

It is owned by the State Highway Agency.