US Bridges

Glenn Highway over Kings River

Good

Matanuska-Susitna Borough, Alaska · Mile Point 59.1 · Structure no. 0544

Built
2024
1 years old
Condition
Good
inspected May 2024
Type
Tee Beam
Prestressed Concrete
Length
293 ft
2 main spans
Daily traffic
1,550
2020 count
Owner
State
State Highway Agency

About this bridge

Glenn Highway over Kings River is a prestressed concrete tee beam carrying Glenn Highway over Kings River in Matanuska-Susitna Borough, Alaska. It was built in 2024, so it is 1 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,550 vehicles a day, roughly 15% of them trucks, projected to reach 1,750 by 2040. The structure is 293 ft (89.3 m) long and 39 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesGlenn Highway
CrossesKings River
LocationMile Point 59.1
RouteInterstate 0A15
StateAlaska
Coordinates61.73211, -148.74972
Functional classRural 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.
Substructure9 ExcellentNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating105.1 US tons
Inventory rating64.2 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckOther
Main spans2
Design loadHL 93
Structure length293 ft (89.3 m)
Longest span143 ft (43.6 m)
Deck width39 ft (11.9 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,550 (2020)
Projected traffic1,750 by 2040
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 Kings River built?

It was built in 2024, making it 1 years old in 2025.

What condition is Glenn Highway over Kings 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 May 2024.

How much traffic does Glenn Highway over Kings River carry?

About 1,550 vehicles per day (2020 count), of which roughly 15% are trucks.

How long is Glenn Highway over Kings River?

The structure is 293 ft (89.3 m) long with a longest span of 143 ft (43.6 m) and a deck 39 ft wide.

Who owns Glenn Highway over Kings River?

It is owned by the State Highway Agency.