US Bridges

Glenn Highway over Eagle River Southbound 2

Good

Anchorage Municipality, Alaska · Mile Point 11.6 · Structure no. 2304

Built
2020
5 years old
Condition
Good
inspected July 2023
Type
Tee Beam
Prestressed Concrete
Length
600 ft
4 main spans
Daily traffic
22,000
2020 count
Owner
State
State Highway Agency

About this bridge

Glenn Highway over Eagle River Southbound 2 is a prestressed concrete tee beam carrying Glenn Highway over Eagle River Southbound 2 in Anchorage Municipality, Alaska. It was built in 2020, so it is 5 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 22,000 vehicles a day, roughly 2% of them trucks, projected to reach 25,550 by 2039. The structure is 600 ft (182.9 m) long and 60 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesGlenn Highway
CrossesEagle River Southbound 2
LocationMile Point 11.6
RouteInterstate 0A16
StateAlaska
Coordinates61.31042, -149.57922
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating76.9 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckOther
Main spans4
Design loadHL 93
Structure length600 ft (182.9 m)
Longest span151 ft (46.1 m)
Deck width60 ft (18.3 m)
Roadway width57 ft (17.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22,000 (2020)
Projected traffic25,550 by 2039
Trucks2%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 Glenn Highway over Eagle River Southbound 2 built?

It was built in 2020, making it 5 years old in 2025.

What condition is Glenn Highway over Eagle River Southbound 2 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 July 2023.

How much traffic does Glenn Highway over Eagle River Southbound 2 carry?

About 22,000 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Glenn Highway over Eagle River Southbound 2?

The structure is 600 ft (182.9 m) long with a longest span of 151 ft (46.1 m) and a deck 60 ft wide.

Who owns Glenn Highway over Eagle River Southbound 2?

It is owned by the State Highway Agency.