US Bridges

Richardson Highway over Stuart Creek

Fair

County 066, Alaska · Mile Point 49.9 · Structure no. 0565

Built
1981
44 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
82 ft
1 main span
Daily traffic
440
2020 count
Owner
State
State Highway Agency

About this bridge

Richardson Highway over Stuart Creek is a steel stringer/multi-beam or girder carrying Richardson Highway over Stuart Creek in County 066, Alaska. It was built in 1981, so it is 44 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 5 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 440 vehicles a day, roughly 31% of them trucks, projected to reach 670 by 2039. The structure is 82 ft (25 m) long and 37 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

No coordinates are recorded for this structure.

CarriesRichardson Highway
CrossesStuart Creek
LocationMile Point 49.9
RouteState Highway 71
StateAlaska
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.7 US tons
Inventory rating37.6 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length82 ft (25 m)
Longest span79 ft (24.1 m)
Deck width37 ft (11.3 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic440 (2020)
Projected traffic670 by 2039
Trucks31%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 Richardson Highway over Stuart Creek built?

It was built in 1981, making it 44 years old in 2025.

What condition is Richardson Highway over Stuart Creek 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 August 2023.

How much traffic does Richardson Highway over Stuart Creek carry?

About 440 vehicles per day (2020 count), of which roughly 31% are trucks.

How long is Richardson Highway over Stuart Creek?

The structure is 82 ft (25 m) long with a longest span of 79 ft (24.1 m) and a deck 37 ft wide.

Who owns Richardson Highway over Stuart Creek?

It is owned by the State Highway Agency.