US Bridges

3060000-0.54 over Mod

Good

Prince of Wales-Hyder Census Area, Alaska · Whale Pass · Structure no. 100540000001119

Built
2000
25 years old
Condition
Good
inspected November 2024
Type
Truss - Thru
Steel
Length
76 ft
1 main span
Daily traffic
10
2006 count
Owner
Federal
U.S. Forest Service

About this bridge

3060000-0.54 over Mod is a steel truss - thru carrying 3060000-0.54 over Mod in Prince of Wales-Hyder Census Area, Alaska. It was built in 2000, so it is 25 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 10 vehicles a day, projected to reach 160 by 2013. The structure is 76 ft (23.3 m) long and 18 ft wide. If it were closed, the detour would be 98.2 mi (158 km).

Carries3060000-0.54
CrossesMod
LocationWhale Pass
RouteFederal Lands Road 30600
StateAlaska
Coordinates56.11545, -133.16249
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
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45 US tons
Inventory rating34.6 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckWood or timber
Main spans1
Design loadOther
Structure length76 ft (23.3 m)
Longest span71 ft (21.6 m)
Deck width18 ft (5.5 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2006)
Projected traffic160 by 2013
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.2 mi (158 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerU.S. Forest Service
Maintained byU.S. Forest Service
Historic statusHistorical significance not determinable at this time
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$160,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 3060000-0.54 over Mod built?

It was built in 2000, making it 25 years old in 2025.

What condition is 3060000-0.54 over Mod 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 November 2024.

How much traffic does 3060000-0.54 over Mod carry?

About 10 vehicles per day (2006 count).

How long is 3060000-0.54 over Mod?

The structure is 76 ft (23.3 m) long with a longest span of 71 ft (21.6 m) and a deck 18 ft wide.

Who owns 3060000-0.54 over Mod?

It is owned by the U.S. Forest Service.