US Bridges

Sing Lee Alley over Rasmus Enge Bridge

FairPosted for load

Petersburg Census Area, Alaska · Petersburg · Structure no. 1159

Built
1945
80 years old, rebuilt 1976
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
388 ft
43 main spans
Daily traffic
100
2018 count
Owner
County
County Highway Agency

About this bridge

Sing Lee Alley over Rasmus Enge Bridge is a wood or timber stringer/multi-beam or girder carrying Sing Lee Alley over Rasmus Enge Bridge in Petersburg Census Area, Alaska. It was built in 1945 and reconstructed in 1976, 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 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 100 vehicles a day, roughly 1% of them trucks, projected to reach 120 by 2035. The structure is 388 ft (118.3 m) long and 20 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSing Lee Alley
CrossesRasmus Enge Bridge
LocationPetersburg
RouteState Highway NSPCY
StateAlaska
Coordinates56.81027, -132.95977
Functional classRural Local

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating27 US tons
Inventory rating19.5 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans43
Design loadUnknown
Structure length388 ft (118.3 m)
Longest span19 ft (5.8 m)
Deck width20 ft (6 m)
Roadway width18 ft (5.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2018)
Projected traffic120 by 2035
Trucks1%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Sing Lee Alley over Rasmus Enge Bridge built?

It was built in 1945, making it 80 years old in 2025. It was reconstructed in 1976.

What condition is Sing Lee Alley over Rasmus Enge Bridge 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 May 2023.

How much traffic does Sing Lee Alley over Rasmus Enge Bridge carry?

About 100 vehicles per day (2018 count), of which roughly 1% are trucks.

How long is Sing Lee Alley over Rasmus Enge Bridge?

The structure is 388 ft (118.3 m) long with a longest span of 19 ft (5.8 m) and a deck 20 ft wide.

Who owns Sing Lee Alley over Rasmus Enge Bridge?

It is owned by the County Highway Agency.