US Bridges

Park Street over Ketchikan CR Park-Lower

Fair

Ketchikan Gateway Borough, Alaska · Mile Point 0.1 · Structure no. 1133

Built
1967
58 years old
Condition
Fair
inspected June 2023
Type
Tee Beam
Prestressed Concrete
Length
65 ft
1 main span
Daily traffic
2,893
2018 count
Owner
City
City or Municipal Highway Agency

About this bridge

Park Street over Ketchikan CR Park-Lower is a prestressed concrete tee beam carrying Park Street over Ketchikan CR Park-Lower in Ketchikan Gateway Borough, Alaska. It was built in 1967, so it is 58 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.

It carries about 2,893 vehicles a day, roughly 7% of them trucks, projected to reach 3,000 by 2035. The structure is 65 ft (19.8 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesPark Street
CrossesKetchikan CR Park-Lower
LocationMile Point 0.1
RouteState Highway 903
StateAlaska
Coordinates55.34389, -131.64333
Functional classUrban 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 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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating93.1 US tons
Inventory rating40.9 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length65 ft (19.8 m)
Longest span64 ft (19.5 m)
Deck width42 ft (12.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,893 (2018)
Projected traffic3,000 by 2035
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 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 Park Street over Ketchikan CR Park-Lower built?

It was built in 1967, making it 58 years old in 2025.

What condition is Park Street over Ketchikan CR Park-Lower 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 June 2023.

How much traffic does Park Street over Ketchikan CR Park-Lower carry?

About 2,893 vehicles per day (2018 count), of which roughly 7% are trucks.

How long is Park Street over Ketchikan CR Park-Lower?

The structure is 65 ft (19.8 m) long with a longest span of 64 ft (19.5 m) and a deck 42 ft wide.

Who owns Park Street over Ketchikan CR Park-Lower?

It is owned by the City or Municipal Highway Agency.