US Bridges

South Tongass HWY over Hoadley Creek

Poor

Ketchikan Gateway Borough, Alaska · Mile Point 0.2 · Structure no. 0725

Built
1957
68 years old
Condition
Poor
inspected June 2023
Type
Stringer/Multi-beam or Girder
Concrete
Length
45 ft
1 main span
Daily traffic
11,900
2020 count
Owner
State
State Highway Agency

About this bridge

South Tongass HWY over Hoadley Creek is a concrete stringer/multi-beam or girder carrying South Tongass HWY over Hoadley Creek in Ketchikan Gateway Borough, Alaska. It was built in 1957, so it is 68 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.

It carries about 11,900 vehicles a day, roughly 5% of them trucks, projected to reach 15,500 by 2039. The structure is 45 ft (13.7 m) long and 61 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSouth Tongass HWY
CrossesHoadley Creek
LocationMile Point 0.2
RouteState Highway 902
StateAlaska
Coordinates55.35333, -131.68806
Functional classUrban Minor Arterial

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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating80.8 US tons
Inventory rating29.2 US tons

Structure

MaterialConcrete
DeckOther
Main spans1
Design loadH 20
Structure length45 ft (13.7 m)
Longest span43 ft (13.1 m)
Deck width61 ft (18.5 m)
Roadway width49 ft (15 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,900 (2020)
Projected traffic15,500 by 2039
Trucks5%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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 South Tongass HWY over Hoadley Creek built?

It was built in 1957, making it 68 years old in 2025.

What condition is South Tongass HWY over Hoadley 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 2023.

How much traffic does South Tongass HWY over Hoadley Creek carry?

About 11,900 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is South Tongass HWY over Hoadley Creek?

The structure is 45 ft (13.7 m) long with a longest span of 43 ft (13.1 m) and a deck 61 ft wide.

Who owns South Tongass HWY over Hoadley Creek?

It is owned by the State Highway Agency.