US Bridges

SR-218 over Bear River

Fair

Cache County, Utah · 2.6 Mi.West of Smithfield · Structure no. 0F 8

Built
1960
65 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
180 ft
3 main spans
Daily traffic
1,985
2014 count
Owner
State
State Highway Agency

About this bridge

SR-218 over Bear River is a prestressed concrete stringer/multi-beam or girder carrying SR-218 over Bear River in Cache County, Utah. It was built in 1960, so it is 65 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 1,985 vehicles a day, roughly 18% of them trucks, projected to reach 2,482 by 2034. The structure is 180 ft (55 m) long and 33 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesSR-218
CrossesBear River
Location2.6 Mi.West of Smithfield
RouteState Highway 218
CountyCache County
StateUtah
Coordinates41.84083, -111.88111
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42.9 US tons
Inventory rating25 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length180 ft (55 m)
Longest span60 ft (18.3 m)
Deck width33 ft (10.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,985 (2014)
Projected traffic2,482 by 2034
Trucks18%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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-218 over Bear River built?

It was built in 1960, making it 65 years old in 2025.

What condition is SR-218 over Bear 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-218 over Bear River carry?

About 1,985 vehicles per day (2014 count), of which roughly 18% are trucks.

How long is SR-218 over Bear River?

The structure is 180 ft (55 m) long with a longest span of 60 ft (18.3 m) and a deck 33 ft wide.

Who owns SR-218 over Bear River?

It is owned by the State Highway Agency.