US Bridges

Airport Road over Shotter Creek

Good

Hoonah-Angoon Census Area, Alaska · Mile Point 0.1 · Structure no. 4146

Built
1994
31 years old
Condition
Good
inspected May 2024
Type
Culvert
Aluminum, Wrought Iron, or Cast Iron
Length
21 ft
1 main span
Daily traffic
250
2020 count
Owner
State
State Highway Agency

About this bridge

Airport Road over Shotter Creek is a aluminum, wrought iron, or cast iron culvert carrying Airport Road over Shotter Creek in Hoonah-Angoon Census Area, Alaska. It was built in 1994, so it is 31 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 250 vehicles a day, roughly 1% of them trucks, projected to reach 300 by 2035. The structure is 21 ft (6.5 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesAirport Road
CrossesShotter Creek
LocationMile Point 0.1
RouteState Highway 0_
StateAlaska
Coordinates58.09918, -135.41458
Functional classRural Major 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 protection7 GoodSome minor problems.
Culvert8 Very GoodNo problems noted.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to 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 length21 ft (6.5 m)
Longest span21 ft (6.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic250 (2020)
Projected traffic300 by 2035
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 Airport Road over Shotter Creek built?

It was built in 1994, making it 31 years old in 2025.

What condition is Airport Road over Shotter 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 May 2024.

How much traffic does Airport Road over Shotter Creek carry?

About 250 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is Airport Road over Shotter Creek?

The structure is 21 ft (6.5 m) long with a longest span of 21 ft (6.5 m).

Who owns Airport Road over Shotter Creek?

It is owned by the State Highway Agency.