US Bridges

Chignik Lagoon over Packers Creek

FairPosted for load

Lake and Peninsula Borough, Alaska · Chignik · Structure no. 1800

Built
1986
39 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
56 ft
1 main span
Daily traffic
41
2018 count
Owner
City
City or Municipal Highway Agency

About this bridge

Chignik Lagoon over Packers Creek is a wood or timber stringer/multi-beam or girder carrying Chignik Lagoon over Packers Creek in Lake and Peninsula Borough, Alaska. It was built in 1986, so it is 39 years old, older than the Alaska average of 35.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 41 vehicles a day, roughly 12% of them trucks, projected to reach 60 by 2035. The structure is 56 ft (17.1 m) long and 20 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesChignik Lagoon
CrossesPackers Creek
LocationChignik
RouteState Highway NSP00
StateAlaska
Coordinates56.30928, -158.53702
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating30.6 US tons
Inventory rating20 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadHS 20
Structure length56 ft (17.1 m)
Longest span54 ft (16.5 m)
Deck width20 ft (6.1 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic41 (2018)
Projected traffic60 by 2035
Trucks12%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Chignik Lagoon over Packers Creek built?

It was built in 1986, making it 39 years old in 2025.

What condition is Chignik Lagoon over Packers Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in September 2024.

How much traffic does Chignik Lagoon over Packers Creek carry?

About 41 vehicles per day (2018 count), of which roughly 12% are trucks.

How long is Chignik Lagoon over Packers Creek?

The structure is 56 ft (17.1 m) long with a longest span of 54 ft (16.5 m) and a deck 20 ft wide.

Who owns Chignik Lagoon over Packers Creek?

It is owned by the City or Municipal Highway Agency.