US Bridges

Minnesota Drive over Minn. Dr./Rasp. Rd. I.C.

Good

Anchorage Municipality, Alaska · Mile Point 3.9 · Structure no. 1432

Built
1991
34 years old
Condition
Good
inspected August 2023
Type
Tee Beam
Prestressed Concrete
Length
149 ft
1 main span
Daily traffic
31,500
2020 count
Owner
State
State Highway Agency

About this bridge

Minnesota Drive over Minn. Dr./Rasp. Rd. I.C. is a prestressed concrete tee beam carrying Minnesota Drive over Minn. Dr./Rasp. Rd. I.C. in Anchorage Municipality, Alaska. It was built in 1991, so it is 34 years old, younger 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 31,500 vehicles a day, roughly 3% of them trucks, projected to reach 45,800 by 2039. The structure is 149 ft (45.3 m) long and 166 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesMinnesota Drive
CrossesMinn. Dr./Rasp. Rd. I.C.
LocationMile Point 3.9
RouteState Highway 42
CountyAnchorage Municipality
StateAlaska
Coordinates61.15917, -149.91222
Functional classUrban Other Principal Arterial

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.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.6 US tons
Inventory rating36.5 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 25 or greater
Structure length149 ft (45.3 m)
Longest span146 ft (44.6 m)
Deck width166 ft (50.6 m)
Roadway width161 ft (49.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic31,500 (2020)
Projected traffic45,800 by 2039
Trucks3%
Lanes on structure7
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Minnesota Drive over Minn. Dr./Rasp. Rd. I.C. built?

It was built in 1991, making it 34 years old in 2025.

What condition is Minnesota Drive over Minn. Dr./Rasp. Rd. I.C. 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 Minnesota Drive over Minn. Dr./Rasp. Rd. I.C. carry?

About 31,500 vehicles per day (2020 count), of which roughly 3% are trucks.

How long is Minnesota Drive over Minn. Dr./Rasp. Rd. I.C.?

The structure is 149 ft (45.3 m) long with a longest span of 146 ft (44.6 m) and a deck 166 ft wide.

Who owns Minnesota Drive over Minn. Dr./Rasp. Rd. I.C.?

It is owned by the State Highway Agency.