US Bridges

Eielson Farm Road over Piledriver Slough

Good

Fairbanks North Star Borough, Alaska · Mile Point 0.4 · Structure no. 4087

Built
2003
22 years old
Condition
Good
inspected August 2024
Type
Culvert
Steel
Length
58 ft
3 main spans
Daily traffic
497
2018 count
Owner
County
County Highway Agency

About this bridge

Eielson Farm Road over Piledriver Slough is a steel culvert carrying Eielson Farm Road over Piledriver Slough in Fairbanks North Star Borough, Alaska. It was built in 2003, so it is 22 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 497 vehicles a day, roughly 1% of them trucks, projected to reach 520 by 2035. The structure is 58 ft (17.7 m) long. If it were closed, the detour would be 14.9 mi (24 km).

CarriesEielson Farm Road
CrossesPiledriver Slough
LocationMile Point 0.4
RouteCounty Highway 0
StateAlaska
Coordinates64.70948, -147.19173
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
Channel and channel protection9 ExcellentNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating103 US tons
Inventory rating99.4 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans3
Design loadH 20
Structure length58 ft (17.7 m)
Longest span18 ft (5.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic497 (2018)
Projected traffic520 by 2035
Trucks1%
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

OwnerCounty Highway Agency
Maintained byCounty 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 Eielson Farm Road over Piledriver Slough built?

It was built in 2003, making it 22 years old in 2025.

What condition is Eielson Farm Road over Piledriver Slough 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 Eielson Farm Road over Piledriver Slough carry?

About 497 vehicles per day (2018 count), of which roughly 1% are trucks.

How long is Eielson Farm Road over Piledriver Slough?

The structure is 58 ft (17.7 m) long with a longest span of 18 ft (5.5 m).

Who owns Eielson Farm Road over Piledriver Slough?

It is owned by the County Highway Agency.