US Bridges

Fair Street over Ketchikan Creek Fair ST

Fair

Ketchikan Gateway Borough, Alaska · Mile Point 0.5 · Structure no. 1131

Built
1967
58 years old
Condition
Fair
inspected June 2023
Type
Tee Beam
Prestressed Concrete Continuous
Length
92 ft
3 main spans
Daily traffic
2,480
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Fair Street over Ketchikan Creek Fair ST is a prestressed concrete continuous tee beam carrying Fair Street over Ketchikan Creek Fair ST in Ketchikan Gateway Borough, Alaska. It was built in 1967, so it is 58 years old, older 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.

It carries about 2,480 vehicles a day, roughly 5% of them trucks, projected to reach 2,500 by 2039. The structure is 92 ft (28 m) long and 36 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesFair Street
CrossesKetchikan Creek Fair ST
LocationMile Point 0.5
RouteState Highway 907
StateAlaska
Coordinates55.3437, -131.6326
Functional classUrban 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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating95.8 US tons
Inventory rating36.7 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length92 ft (28 m)
Longest span71 ft (21.6 m)
Deck width36 ft (10.9 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,480 (2020)
Projected traffic2,500 by 2039
Trucks5%
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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Fair Street over Ketchikan Creek Fair ST built?

It was built in 1967, making it 58 years old in 2025.

What condition is Fair Street over Ketchikan Creek Fair ST 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 June 2023.

How much traffic does Fair Street over Ketchikan Creek Fair ST carry?

About 2,480 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is Fair Street over Ketchikan Creek Fair ST?

The structure is 92 ft (28 m) long with a longest span of 71 ft (21.6 m) and a deck 36 ft wide.

Who owns Fair Street over Ketchikan Creek Fair ST?

It is owned by the City or Municipal Highway Agency.