US Bridges

Harding Street over Harding Street

PoorPosted for load

Ketchikan Gateway Borough, Alaska · Mile Point 0.1 · Structure no. 2262

Built
1968
57 years old, rebuilt 2011
Condition
Poor
inspected June 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
33 ft
3 main spans
Daily traffic
30
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Harding Street over Harding Street is a wood or timber stringer/multi-beam or girder carrying Harding Street over Harding Street in Ketchikan Gateway Borough, Alaska. It was built in 1968 and reconstructed in 2011, so it is 57 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 4 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: posted for load restriction.

It carries about 30 vehicles a day, projected to reach 40 by 2035. The structure is 33 ft (10.1 m) long and 10 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesHarding Street
CrossesHarding Street
LocationMile Point 0.1
RouteCity Street 0
StateAlaska
Coordinates55.3456, -131.65375
Functional classUrban 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.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating24.7 US tons
Inventory rating18.4 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans3
Design loadUnknown
Structure length33 ft (10.1 m)
Longest span10 ft (3 m)
Deck width10 ft (3.2 m)
Roadway width9 ft (2.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2020)
Projected traffic40 by 2035
Trucks0%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesOther
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Harding Street over Harding Street built?

It was built in 1968, making it 57 years old in 2025. It was reconstructed in 2011.

What condition is Harding Street over Harding Street 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 2023.

How much traffic does Harding Street over Harding Street carry?

About 30 vehicles per day (2020 count).

How long is Harding Street over Harding Street?

The structure is 33 ft (10.1 m) long with a longest span of 10 ft (3 m) and a deck 10 ft wide.

Who owns Harding Street over Harding Street?

It is owned by the City or Municipal Highway Agency.