US Bridges

Egan Drive over Gold Creek

Fair

Juneau City and Borough, Alaska · Mile Point 0.4 · Structure no. 0732

Built
1972
53 years old
Condition
Fair
inspected June 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
120 ft
3 main spans
Daily traffic
10,200
2020 count
Owner
State
State Highway Agency

About this bridge

Egan Drive over Gold Creek is a prestressed concrete box beam or girders - multiple carrying Egan Drive over Gold Creek in Juneau City and Borough, Alaska. It was built in 1972, so it is 53 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 5 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 10,200 vehicles a day, roughly 5% of them trucks, projected to reach 13,100 by 2039. The structure is 120 ft (36.6 m) long and 90 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesEgan Drive
CrossesGold Creek
LocationMile Point 0.4
RouteState Highway 93
CountyJuneau City and Borough
StateAlaska
Coordinates58.2991, -134.4199
Functional classUrban Other Principal Arterial

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating69.8 US tons
Inventory rating46.2 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length120 ft (36.6 m)
Longest span41 ft (12.5 m)
Deck width90 ft (27.3 m)
Roadway width78 ft (23.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,200 (2020)
Projected traffic13,100 by 2039
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Egan Drive over Gold Creek built?

It was built in 1972, making it 53 years old in 2025.

What condition is Egan Drive over Gold Creek 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 Egan Drive over Gold Creek carry?

About 10,200 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is Egan Drive over Gold Creek?

The structure is 120 ft (36.6 m) long with a longest span of 41 ft (12.5 m) and a deck 90 ft wide.

Who owns Egan Drive over Gold Creek?

It is owned by the State Highway Agency.