US Bridges

SR-66 over Weber River

Fair

Morgan County, Utah · Within Morgan City · Structure no. 0C 969

Built
2010
15 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
96 ft
1 main span
Daily traffic
9,219
2017 count
Owner
State
State Highway Agency

About this bridge

SR-66 over Weber River is a steel stringer/multi-beam or girder carrying SR-66 over Weber River in Morgan County, Utah. It was built in 2010, so it is 15 years old, younger 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 9,219 vehicles a day, roughly 30% of them trucks, projected to reach 11,063 by 2037. The structure is 96 ft (29.4 m) long and 73 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesSR-66
CrossesWeber River
LocationWithin Morgan City
RouteState Highway 66
CountyMorgan County
StateUtah
Coordinates41.04187, -111.67954
Functional classRural Major Collector

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 inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.2 US tons
Inventory rating37.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length96 ft (29.4 m)
Longest span94 ft (28.5 m)
Deck width73 ft (22.3 m)
Roadway width58 ft (17.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,219 (2017)
Projected traffic11,063 by 2037
Trucks30%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

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 SR-66 over Weber River built?

It was built in 2010, making it 15 years old in 2025.

What condition is SR-66 over Weber River 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 July 2023.

How much traffic does SR-66 over Weber River carry?

About 9,219 vehicles per day (2017 count), of which roughly 30% are trucks.

How long is SR-66 over Weber River?

The structure is 96 ft (29.4 m) long with a longest span of 94 ft (28.5 m) and a deck 73 ft wide.

Who owns SR-66 over Weber River?

It is owned by the State Highway Agency.