US Bridges

Irr:nome-Taylor RD over Grand Central River

GoodPosted for load

Nome Census Area, Alaska · Mile Point 36.1 · Structure no. 0319

Built
1982
43 years old
Condition
Good
inspected August 2024
Type
Tee Beam
Prestressed Concrete
Length
100 ft
1 main span
Daily traffic
249
2018 count
Owner
State
State Highway Agency

About this bridge

Irr:nome-Taylor RD over Grand Central River is a prestressed concrete tee beam carrying Irr:nome-Taylor RD over Grand Central River in Nome Census Area, Alaska. It was built in 1982, so it is 43 years old, older 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. Its operating status is: posted for load restriction.

It carries about 249 vehicles a day, roughly 1% of them trucks, projected to reach 300 by 2035. The structure is 100 ft (30.5 m) long and 29 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesIrr:nome-Taylor RD
CrossesGrand Central River
LocationMile Point 36.1
RouteState Highway 64
StateAlaska
Coordinates64.90067, -165.11783
Functional classRural Minor Collector

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 inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating38.4 US tons
Inventory rating23 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20 + Mod
Structure length100 ft (30.5 m)
Longest span97 ft (29.6 m)
Deck width29 ft (8.8 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic249 (2018)
Projected traffic300 by 2035
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

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 Irr:nome-Taylor RD over Grand Central River built?

It was built in 1982, making it 43 years old in 2025.

What condition is Irr:nome-Taylor RD over Grand Central River 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 August 2024.

How much traffic does Irr:nome-Taylor RD over Grand Central River carry?

About 249 vehicles per day (2018 count), of which roughly 1% are trucks.

How long is Irr:nome-Taylor RD over Grand Central River?

The structure is 100 ft (30.5 m) long with a longest span of 97 ft (29.6 m) and a deck 29 ft wide.

Who owns Irr:nome-Taylor RD over Grand Central River?

It is owned by the State Highway Agency.