US Bridges

Tern Lake Road over Daves Creek

Good

Kenai Peninsula Borough, Alaska · No Data Entered · Structure no. 100430000014456

Built
2009
16 years old
Condition
Good
inspected July 2022
Type
Slab
Wood or Timber
Length
41 ft
1 main span
Daily traffic
10
2018 count
Owner
Federal
U.S. Forest Service

About this bridge

Tern Lake Road over Daves Creek is a wood or timber slab carrying Tern Lake Road over Daves Creek in Kenai Peninsula Borough, Alaska. It was built in 2009, so it is 16 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 15 by 2045. The structure is 41 ft (12.5 m) long and 23 ft wide. If it were closed, the detour would be 620.7 mi (999 km).

CarriesTern Lake Road
CrossesDaves Creek
LocationNo Data Entered
RouteFederal Lands Road 10009
StateAlaska
Coordinates60.53075, -149.5572
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2022
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 rating87.2 US tons
Inventory rating67.1 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadOther
Structure length41 ft (12.5 m)
Longest span38 ft (11.6 m)
Deck width23 ft (6.9 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2018)
Projected traffic15 by 2045
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed620.7 mi (999 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Tern Lake Road over Daves Creek built?

It was built in 2009, making it 16 years old in 2025.

What condition is Tern Lake Road over Daves 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 July 2022.

How much traffic does Tern Lake Road over Daves Creek carry?

About 10 vehicles per day (2018 count).

How long is Tern Lake Road over Daves Creek?

The structure is 41 ft (12.5 m) long with a longest span of 38 ft (11.6 m) and a deck 23 ft wide.

Who owns Tern Lake Road over Daves Creek?

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