US Bridges

Parks Highway over Rex Overhead

Good

Denali Borough, Alaska · Mile Point 240.8 · Structure no. 1993

Built
2006
19 years old
Condition
Good
inspected July 2024
Type
Tee Beam
Prestressed Concrete
Length
72 ft
1 main span
Daily traffic
910
2020 count
Owner
State
State Highway Agency

About this bridge

Parks Highway over Rex Overhead is a prestressed concrete tee beam carrying Parks Highway over Rex Overhead in Denali Borough, Alaska. It was built in 2006, so it is 19 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 910 vehicles a day, roughly 20% of them trucks, projected to reach 1,220 by 2039. The structure is 72 ft (21.8 m) long and 47 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesParks Highway
CrossesRex Overhead
LocationMile Point 240.8
RouteInterstate 0A44
StateAlaska
Coordinates64.2189, -149.26732
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating101.1 US tons
Inventory rating61.1 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 25 or greater
Structure length72 ft (21.8 m)
Longest span69 ft (21 m)
Deck width47 ft (14.3 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic910 (2020)
Projected traffic1,220 by 2039
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Parks Highway over Rex Overhead built?

It was built in 2006, making it 19 years old in 2025.

What condition is Parks Highway over Rex 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 July 2024.

How much traffic does Parks Highway over Rex Overhead carry?

About 910 vehicles per day (2020 count), of which roughly 20% are trucks.

How long is Parks Highway over Rex Overhead?

The structure is 72 ft (21.8 m) long with a longest span of 69 ft (21 m) and a deck 47 ft wide.

Who owns Parks Highway over Rex Overhead?

It is owned by the State Highway Agency.