US Bridges

9th Street over Gold Creek Ninth ST

Fair

Juneau City and Borough, Alaska · Mile Point 0.1 · Structure no. 0314

Built
1934
91 years old
Condition
Fair
inspected June 2023
Type
Tee Beam
Concrete
Length
47 ft
1 main span
Daily traffic
953
2019 count
Owner
City
City or Municipal Highway Agency

About this bridge

9th Street over Gold Creek Ninth ST is a concrete tee beam carrying 9th Street over Gold Creek Ninth ST in Juneau City and Borough, Alaska. It was built in 1934, so it is 91 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 953 vehicles a day, roughly 2% of them trucks, projected to reach 1,000 by 2035. The structure is 47 ft (14.3 m) long and 36 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Carries9th Street
CrossesGold Creek Ninth ST
LocationMile Point 0.1
RouteCity Street NSPCY
StateAlaska
Coordinates58.3023, -134.4191
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating47.3 US tons
Inventory rating18.1 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length47 ft (14.3 m)
Longest span43 ft (13.1 m)
Deck width36 ft (10.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic953 (2019)
Projected traffic1,000 by 2035
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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 9th Street over Gold Creek Ninth ST built?

It was built in 1934, making it 91 years old in 2025.

What condition is 9th Street over Gold Creek Ninth ST 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 9th Street over Gold Creek Ninth ST carry?

About 953 vehicles per day (2019 count), of which roughly 2% are trucks.

How long is 9th Street over Gold Creek Ninth ST?

The structure is 47 ft (14.3 m) long with a longest span of 43 ft (13.1 m) and a deck 36 ft wide.

Who owns 9th Street over Gold Creek Ninth ST?

It is owned by the City or Municipal Highway Agency.