US Bridges

Hilltop DR over State Route 44

Good

Shasta County, California · 02-SHA-044-R0.13-RDG · Structure no. 06 0106

Built
1968
57 years old, rebuilt 2008
Condition
Good
inspected May 2022
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
183 ft
2 main spans
Daily traffic
24,118
1998 count
Owner
State
State Highway Agency

About this bridge

Hilltop DR over State Route 44 is a prestressed concrete continuous box beam or girders - multiple carrying Hilltop DR over State Route 44 in Shasta County, California. It was built in 1968 and reconstructed in 2008, so it is 57 years old, older than the California average of 54.8 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 24,118 vehicles a day, roughly 8% of them trucks, projected to reach 30,375 by 2039. The structure is 183 ft (55.9 m) long and 88 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesHilltop DR
CrossesState Route 44
Location02-SHA-044-R0.13-RDG
RouteCity Street 0
Coordinates40.58551, -122.35806
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 inspectionMay 2022
Inspection intervalevery 48 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 alignment6: Equal to present minimum criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length183 ft (55.9 m)
Longest span94 ft (28.7 m)
Deck width88 ft (26.7 m)
Roadway width80 ft (24.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24,118 (1998)
Projected traffic30,375 by 2039
Trucks8%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.9 mi (3 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 Hilltop DR over State Route 44 built?

It was built in 1968, making it 57 years old in 2025. It was reconstructed in 2008.

What condition is Hilltop DR over State Route 44 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 2022.

How much traffic does Hilltop DR over State Route 44 carry?

About 24,118 vehicles per day (1998 count), of which roughly 8% are trucks.

How long is Hilltop DR over State Route 44?

The structure is 183 ft (55.9 m) long with a longest span of 94 ft (28.7 m) and a deck 88 ft wide.

Who owns Hilltop DR over State Route 44?

It is owned by the State Highway Agency.