US Bridges

Cache Creek Road over Fortune Creek

Good

Fairbanks North Star Borough, Alaska · Fairbanks Dnr · Structure no. 1958

Built
2023
2 years old
Condition
Good
inspected August 2024
Type
Girder and Floorbeam System
Steel
Length
42 ft
1 main span
Daily traffic
30
2015 count
Owner
State
State Park, Forest, or Reservation Agency

About this bridge

Cache Creek Road over Fortune Creek is a steel girder and floorbeam system carrying Cache Creek Road over Fortune Creek in Fairbanks North Star Borough, Alaska. It was built in 2023, so it is 2 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 30 vehicles a day, roughly 1% of them trucks, projected to reach 36 by 2035. The structure is 42 ft (12.8 m) long and 16 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesCache Creek Road
CrossesFortune Creek
LocationFairbanks Dnr
RouteState Lands Road NSPNR
StateAlaska
Coordinates64.885, -148.39547
Functional classRural 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.
Substructure8 Very GoodNo problems noted.
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 evaluation8: Equal to present desirable criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating79.6 US tons
Inventory rating47.7 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans1
Design loadHL 93
Structure length42 ft (12.8 m)
Longest span39 ft (12 m)
Deck width16 ft (4.9 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2015)
Projected traffic36 by 2035
Trucks1%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Park, Forest, or Reservation Agency
Maintained byState Park, Forest, or Reservation 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 Cache Creek Road over Fortune Creek built?

It was built in 2023, making it 2 years old in 2025.

What condition is Cache Creek Road over Fortune Creek 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 August 2024.

How much traffic does Cache Creek Road over Fortune Creek carry?

About 30 vehicles per day (2015 count), of which roughly 1% are trucks.

How long is Cache Creek Road over Fortune Creek?

The structure is 42 ft (12.8 m) long with a longest span of 39 ft (12 m) and a deck 16 ft wide.

Who owns Cache Creek Road over Fortune Creek?

It is owned by the State Park, Forest, or Reservation Agency.