US Bridges

Airport/Minnesota over Minnesota DR Overhead

Good

Anchorage Municipality, Alaska · Mile Point 4.9 · Structure no. 0699

Built
1993
32 years old
Condition
Good
inspected August 2023
Type
Tee Beam
Prestressed Concrete
Length
127 ft
1 main span
Daily traffic
31,600
2020 count
Owner
State
State Highway Agency

About this bridge

Airport/Minnesota over Minnesota DR Overhead is a prestressed concrete tee beam carrying Airport/Minnesota over Minnesota DR Overhead in Anchorage Municipality, Alaska. It was built in 1993, so it is 32 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 31,600 vehicles a day, roughly 4% of them trucks, projected to reach 41,000 by 2039. The structure is 127 ft (38.8 m) long and 129 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesAirport/Minnesota
CrossesMinnesota DR Overhead
LocationMile Point 4.9
RouteState Highway 42
StateAlaska
Coordinates61.17667, -149.91361
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
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating93.1 US tons
Inventory rating30.5 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 25 or greater
Structure length127 ft (38.8 m)
Longest span123 ft (37.5 m)
Deck width129 ft (39.4 m)
Roadway width102 ft (31.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic31,600 (2020)
Projected traffic41,000 by 2039
Trucks4%
Lanes on structure7
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
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 Airport/Minnesota over Minnesota DR Overhead built?

It was built in 1993, making it 32 years old in 2025.

What condition is Airport/Minnesota over Minnesota DR Overhead 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 Airport/Minnesota over Minnesota DR Overhead carry?

About 31,600 vehicles per day (2020 count), of which roughly 4% are trucks.

How long is Airport/Minnesota over Minnesota DR Overhead?

The structure is 127 ft (38.8 m) long with a longest span of 123 ft (37.5 m) and a deck 129 ft wide.

Who owns Airport/Minnesota over Minnesota DR Overhead?

It is owned by the State Highway Agency.