US Bridges

Richardson Highway over Mccallum Creek

Fair

Southeast Fairbanks Census Area, Alaska · Mile Point 205.2 · Structure no. 0580

Built
1954
71 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
33 ft
1 main span
Daily traffic
280
2020 count
Owner
State
State Highway Agency

About this bridge

Richardson Highway over Mccallum Creek is a steel stringer/multi-beam or girder carrying Richardson Highway over Mccallum Creek in Southeast Fairbanks Census Area, Alaska. It was built in 1954, so it is 71 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 280 vehicles a day, roughly 21% of them trucks, projected to reach 330 by 2039. The structure is 33 ft (10.2 m) long and 25 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

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CarriesRichardson Highway
CrossesMccallum Creek
LocationMile Point 205.2
RouteState Highway 71
CountySoutheast Fairbanks Census Area
StateAlaska
Coordinates63.2234, -145.6516
Functional classRural Minor Arterial

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating41.2 US tons
Inventory rating24.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length33 ft (10.2 m)
Longest span31 ft (9.5 m)
Deck width25 ft (7.7 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic280 (2020)
Projected traffic330 by 2039
Trucks21%
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 Mccallum Creek built?

It was built in 1954, making it 71 years old in 2025.

What condition is Richardson Highway over Mccallum 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 July 2023.

How much traffic does Richardson Highway over Mccallum Creek carry?

About 280 vehicles per day (2020 count), of which roughly 21% are trucks.

How long is Richardson Highway over Mccallum Creek?

The structure is 33 ft (10.2 m) long with a longest span of 31 ft (9.5 m) and a deck 25 ft wide.

Who owns Richardson Highway over Mccallum Creek?

It is owned by the State Highway Agency.