US Bridges

SR-209 over Little Cottonwood Creek

Fair

Salt Lake County, Utah · Mouth of Little Ctwd. Can · Structure no. 0D 807

Built
1935
90 years old
Condition
Fair
inspected September 2024
Type
Arch - Deck
Masonry
Length
93 ft
3 main spans
Daily traffic
1,705
2014 count
Owner
State
State Highway Agency

About this bridge

SR-209 over Little Cottonwood Creek is a masonry arch - deck carrying SR-209 over Little Cottonwood Creek in Salt Lake County, Utah. It was built in 1935, so it is 90 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 5 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 1,705 vehicles a day, roughly 20% of them trucks, projected to reach 2,132 by 2034. The structure is 93 ft (28.2 m) long and 33 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesSR-209
CrossesLittle Cottonwood Creek
LocationMouth of Little Ctwd. Can
RouteState Highway 209
CountySalt Lake County
StateUtah
Coordinates40.57219, -111.7787
Functional classUrban Other Principal 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating35.7 US tons
Inventory rating21.4 US tons

Structure

Structure typeArch - Deck
MaterialMasonry
DeckOther
Main spans3
Design loadHL 93
Structure length93 ft (28.2 m)
Longest span14 ft (4.4 m)
Deck width33 ft (10 m)
Roadway width23 ft (7 m)
Vertical clearance over deck99 ft (30.2 m)

Traffic and service

Average daily traffic1,705 (2014)
Projected traffic2,132 by 2034
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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 statusEligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR-209 over Little Cottonwood Creek built?

It was built in 1935, making it 90 years old in 2025.

What condition is SR-209 over Little Cottonwood Creek 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 2024.

How much traffic does SR-209 over Little Cottonwood Creek carry?

About 1,705 vehicles per day (2014 count), of which roughly 20% are trucks.

How long is SR-209 over Little Cottonwood Creek?

The structure is 93 ft (28.2 m) long with a longest span of 14 ft (4.4 m) and a deck 33 ft wide.

Who owns SR-209 over Little Cottonwood Creek?

It is owned by the State Highway Agency.