US Bridges

Skull Crack Cyn RD over Causey Dam Spillway

Fair

Weber County, Utah · 10 Miles E of Huntsville · Structure no. 0402-10

Built
1955
70 years old
Condition
Fair
inspected September 2022
Type
Slab
Concrete
Length
28 ft
1 main span
Daily traffic
30
2005 count
Owner
Federal
Bureau of Reclamation

About this bridge

Skull Crack Cyn RD over Causey Dam Spillway is a concrete slab carrying Skull Crack Cyn RD over Causey Dam Spillway in Weber County, Utah. It was built in 1955, so it is 70 years old, older than the Utah average of 40.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 30 vehicles a day, projected to reach 30 by 2035. The structure is 28 ft (8.4 m) long and 17 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

Location

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CarriesSkull Crack Cyn RD
CrossesCausey Dam Spillway
Location10 Miles E of Huntsville
RouteFederal Lands Road 0
CountyWeber County
StateUtah
Coordinates41.29912, -111.58827
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating70.4 US tons
Inventory rating36.7 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length28 ft (8.4 m)
Longest span25 ft (7.6 m)
Deck width17 ft (5.2 m)
Roadway width12 ft (3.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2005)
Projected traffic30 by 2035
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerBureau of Reclamation
Maintained byOther State 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 Skull Crack Cyn RD over Causey Dam Spillway built?

It was built in 1955, making it 70 years old in 2025.

What condition is Skull Crack Cyn RD over Causey Dam Spillway in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in September 2022.

How much traffic does Skull Crack Cyn RD over Causey Dam Spillway carry?

About 30 vehicles per day (2005 count).

How long is Skull Crack Cyn RD over Causey Dam Spillway?

The structure is 28 ft (8.4 m) long with a longest span of 25 ft (7.6 m) and a deck 17 ft wide.

Who owns Skull Crack Cyn RD over Causey Dam Spillway?

It is owned by the Bureau of Reclamation and maintained by the Other State Agency.