US Bridges

Ballaine Road over Goldstream Creek

Fair

Fairbanks North Star Borough, Alaska · Mile Point 2.7 · Structure no. 1009

Built
1975
50 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
76 ft
1 main span
Daily traffic
2,080
2020 count
Owner
State
State Highway Agency

About this bridge

Ballaine Road over Goldstream Creek is a wood or timber stringer/multi-beam or girder carrying Ballaine Road over Goldstream Creek in Fairbanks North Star Borough, Alaska. It was built in 1975, so it is 50 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 2,080 vehicles a day, roughly 6% of them trucks, projected to reach 2,530 by 2039. The structure is 76 ft (23.3 m) long and 45 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

Location

Open in Google Maps
CarriesBallaine Road
CrossesGoldstream Creek
LocationMile Point 2.7
RouteState Highway 646
CountyFairbanks North Star Borough
StateAlaska
Coordinates64.91186, -147.83187
Functional classRural Major 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
Deck8 Very GoodNo problems noted.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating60.2 US tons
Inventory rating38.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadHS 20
Structure length76 ft (23.3 m)
Longest span73 ft (22.2 m)
Deck width45 ft (13.6 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,080 (2020)
Projected traffic2,530 by 2039
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 km)
TollOn a free road
National Highway SystemNo

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 Ballaine Road over Goldstream Creek built?

It was built in 1975, making it 50 years old in 2025.

What condition is Ballaine Road over Goldstream 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 August 2024.

How much traffic does Ballaine Road over Goldstream Creek carry?

About 2,080 vehicles per day (2020 count), of which roughly 6% are trucks.

How long is Ballaine Road over Goldstream Creek?

The structure is 76 ft (23.3 m) long with a longest span of 73 ft (22.2 m) and a deck 45 ft wide.

Who owns Ballaine Road over Goldstream Creek?

It is owned by the State Highway Agency.