US Bridges

Irr:marine HWY RTE over Tatitlek Dock

FairPosted for load

County 063, Alaska · Tatitlek Copper Mtn RD · Structure no. 0183

Built
1995
30 years old
Condition
Fair
inspected July 2024
Type
Box Beam or Girders - Multiple
Steel
Length
1,114 ft
13 main spans
Daily traffic
16
2018 count
Owner
Local
Other Local Agency

About this bridge

Irr:marine HWY RTE over Tatitlek Dock is a steel box beam or girders - multiple carrying Irr:marine HWY RTE over Tatitlek Dock in County 063, Alaska. It was built in 1995, so it is 30 years old, younger than the Alaska average of 35.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 16 vehicles a day, roughly 6% of them trucks, projected to reach 25 by 2035. The structure is 1,114 ft (339.5 m) long and 40 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesIrr:marine HWY RTE
CrossesTatitlek Dock
LocationTatitlek Copper Mtn RD
RouteState Highway 830
CountyCounty 063
StateAlaska
Coordinates60.86004, -146.67645
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating92.9 US tons
Inventory rating44.3 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialSteel
DeckConcrete, precast panels
Main spans13 (+10 approach)
Design loadHS 25 or greater
Structure length1,114 ft (339.5 m)
Longest span60 ft (18.3 m)
Deck width40 ft (12.2 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16 (2018)
Projected traffic25 by 2035
Trucks6%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a toll road
National Highway SystemNo

Ownership and planned work

OwnerOther Local Agency
Maintained byOther Local 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 Irr:marine HWY RTE over Tatitlek Dock built?

It was built in 1995, making it 30 years old in 2025.

What condition is Irr:marine HWY RTE over Tatitlek Dock in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in July 2024.

How much traffic does Irr:marine HWY RTE over Tatitlek Dock carry?

About 16 vehicles per day (2018 count), of which roughly 6% are trucks.

How long is Irr:marine HWY RTE over Tatitlek Dock?

The structure is 1,114 ft (339.5 m) long with a longest span of 60 ft (18.3 m) and a deck 40 ft wide.

Who owns Irr:marine HWY RTE over Tatitlek Dock?

It is owned by the Other Local Agency.