US Bridges

Franklin Road over Forks Creek No. 2

Good

Ketchikan Gateway Borough, Alaska · Mile Point 0.1 · Structure no. 4109

Built
1983
42 years old
Condition
Good
inspected June 2023
Type
Culvert
Aluminum, Wrought Iron, or Cast Iron
Length
22 ft
1 main span
Daily traffic
1,080
2018 count
Owner
State
State Highway Agency

About this bridge

Franklin Road over Forks Creek No. 2 is a aluminum, wrought iron, or cast iron culvert carrying Franklin Road over Forks Creek No. 2 in Ketchikan Gateway Borough, Alaska. It was built in 1983, so it is 42 years old, older 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 1,080 vehicles a day, roughly 1% of them trucks, projected to reach 1,100 by 2035. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesFranklin Road
CrossesForks Creek No. 2
LocationMile Point 0.1
RouteState Highway 0
CountyKetchikan Gateway Borough
StateAlaska
Coordinates55.30083, -131.52928
Functional classUrban Collector

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 protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating50.8 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialAluminum, Wrought Iron, or Cast Iron
DeckNot applicable
Main spans1
Design loadUnknown
Structure length22 ft (6.7 m)
Longest span22 ft (6.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,080 (2018)
Projected traffic1,100 by 2035
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Franklin Road over Forks Creek No. 2 built?

It was built in 1983, making it 42 years old in 2025.

What condition is Franklin Road over Forks Creek No. 2 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 June 2023.

How much traffic does Franklin Road over Forks Creek No. 2 carry?

About 1,080 vehicles per day (2018 count), of which roughly 1% are trucks.

How long is Franklin Road over Forks Creek No. 2?

The structure is 22 ft (6.7 m) long with a longest span of 22 ft (6.7 m).

Who owns Franklin Road over Forks Creek No. 2?

It is owned by the State Highway Agency.