US Bridges

Water Street over Water ST No 2

Good

Ketchikan Gateway Borough, Alaska · Mile Point 0.2 · Structure no. 0446

Built
2018
7 years old
Condition
Good
inspected June 2023
Type
Slab
Prestressed Concrete
Length
700 ft
53 main spans
Daily traffic
650
2018 count
Owner
City
City or Municipal Highway Agency

About this bridge

Water Street over Water ST No 2 is a prestressed concrete slab carrying Water Street over Water ST No 2 in Ketchikan Gateway Borough, Alaska. It was built in 2018, so it is 7 years old, younger than the Alaska average of 35.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 650 vehicles a day, roughly 5% of them trucks, projected to reach 1,000 by 2035. The structure is 700 ft (213.4 m) long and 26 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesWater Street
CrossesWater ST No 2
LocationMile Point 0.2
RouteCity Street 0
StateAlaska
Coordinates55.34694, -131.66111
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation9: Superior to present desirable criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment6: Equal to present minimum criteria
Operating rating110.1 US tons
Inventory rating49.7 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans53
Design loadHL 93
Structure length700 ft (213.4 m)
Longest span19 ft (5.8 m)
Deck width26 ft (7.8 m)
Roadway width19 ft (5.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic650 (2018)
Projected traffic1,000 by 2035
Trucks5%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway and pedestrian
CrossesOther
Detour if closed1.9 mi (3 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 Water Street over Water ST No 2 built?

It was built in 2018, making it 7 years old in 2025.

What condition is Water Street over Water ST No 2 in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2023.

How much traffic does Water Street over Water ST No 2 carry?

About 650 vehicles per day (2018 count), of which roughly 5% are trucks.

How long is Water Street over Water ST No 2?

The structure is 700 ft (213.4 m) long with a longest span of 19 ft (5.8 m) and a deck 26 ft wide.

Who owns Water Street over Water ST No 2?

It is owned by the City or Municipal Highway Agency.