US Bridges

Seley Road over East Fork Lewis Reef CR

Good

Ketchikan Gateway Borough, Alaska · Mile Point 1.2 · Structure no. 4118

Built
2016
9 years old
Condition
Good
inspected June 2023
Type
Culvert
Aluminum, Wrought Iron, or Cast Iron
Length
29 ft
1 main span
Daily traffic
60
2018 count
Owner
State
State Highway Agency

About this bridge

Seley Road over East Fork Lewis Reef CR is a aluminum, wrought iron, or cast iron culvert carrying Seley Road over East Fork Lewis Reef CR in Ketchikan Gateway Borough, Alaska. It was built in 2016, so it is 9 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 60 vehicles a day, roughly 15% of them trucks, projected to reach 65 by 2038. The structure is 29 ft (8.7 m) long. If it were closed, the detour would be 123.7 mi (199 km).

CarriesSeley Road
CrossesEast Fork Lewis Reef CR
LocationMile Point 1.2
StateAlaska
Coordinates55.37274, -131.75094
Functional classUrban 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 protection7 GoodSome minor problems.
Culvert9 ExcellentNo problems noted.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating60.1 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialAluminum, Wrought Iron, or Cast Iron
DeckNot applicable
Main spans1
Design loadHS 20
Structure length29 ft (8.7 m)
Longest span29 ft (8.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic60 (2018)
Projected traffic65 by 2038
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 Seley Road over East Fork Lewis Reef CR built?

It was built in 2016, making it 9 years old in 2025.

What condition is Seley Road over East Fork Lewis Reef CR 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 Seley Road over East Fork Lewis Reef CR carry?

About 60 vehicles per day (2018 count), of which roughly 15% are trucks.

How long is Seley Road over East Fork Lewis Reef CR?

The structure is 29 ft (8.7 m) long with a longest span of 29 ft (8.7 m).

Who owns Seley Road over East Fork Lewis Reef CR?

It is owned by the State Highway Agency.