US Bridges

197th Ave over Trib to Cottonwood Creek

Fair

Pennington County, South Dakota · 0.2E & 0.7S of Quinn · Structure no. 000000052970374

Built
1935
90 years old
Condition
Fair
inspected July 2023
Type
Slab
Concrete Continuous
Length
45 ft
4 main spans
Daily traffic
19
2022 count
Owner
County
County Highway Agency

About this bridge

197th Ave over Trib to Cottonwood Creek is a concrete continuous slab carrying 197th Ave over Trib to Cottonwood Creek in Pennington County, South Dakota. It was built in 1935, so it is 90 years old, older than the South Dakota average of 48.9 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 19 vehicles a day, roughly 21% of them trucks, projected to reach 19 by 2032. The structure is 45 ft (13.7 m) long and 19 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
Carries197th Ave
CrossesTrib to Cottonwood Creek
Location0.2E & 0.7S of Quinn
RouteCounty Highway 0
CountyPennington County
StateSouth Dakota
Coordinates43.97274, -102.11949
Functional classRural Minor 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
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 protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.4 US tons
Inventory rating26.6 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length45 ft (13.7 m)
Longest span11 ft (3.4 m)
Deck width19 ft (5.9 m)
Roadway width19 ft (5.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19 (2022)
Projected traffic19 by 2032
Trucks21%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway 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 197th Ave over Trib to Cottonwood Creek built?

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

What condition is 197th Ave over Trib to 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 July 2023.

How much traffic does 197th Ave over Trib to Cottonwood Creek carry?

About 19 vehicles per day (2022 count), of which roughly 21% are trucks.

How long is 197th Ave over Trib to Cottonwood Creek?

The structure is 45 ft (13.7 m) long with a longest span of 11 ft (3.4 m) and a deck 19 ft wide.

Who owns 197th Ave over Trib to Cottonwood Creek?

It is owned by the County Highway Agency.