US Bridges

Egan Drive over Mineral Creek

Good

County 063, Alaska · Mile Point 0.2 · Structure no. 1744

Built
1982
43 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
320 ft
3 main spans
Daily traffic
620
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Egan Drive over Mineral Creek is a prestressed concrete stringer/multi-beam or girder carrying Egan Drive over Mineral Creek in County 063, 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.

It carries about 620 vehicles a day, roughly 13% of them trucks, projected to reach 740 by 2039. The structure is 320 ft (97.5 m) long and 47 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesEgan Drive
CrossesMineral Creek
LocationMile Point 0.2
RouteCity Street NSP00
StateAlaska
Coordinates61.13361, -146.38639
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 protection8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.4 US tons
Inventory rating36.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length320 ft (97.5 m)
Longest span106 ft (32.3 m)
Deck width47 ft (14.4 m)
Roadway width40 ft (12.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic620 (2020)
Projected traffic740 by 2039
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Egan Drive over Mineral Creek built?

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

What condition is Egan Drive over Mineral 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 August 2023.

How much traffic does Egan Drive over Mineral Creek carry?

About 620 vehicles per day (2020 count), of which roughly 13% are trucks.

How long is Egan Drive over Mineral Creek?

The structure is 320 ft (97.5 m) long with a longest span of 106 ft (32.3 m) and a deck 47 ft wide.

Who owns Egan Drive over Mineral Creek?

It is owned by the City or Municipal Highway Agency.