US Bridges

194th Street over Dolph Creek

PoorPosted for load

Hamlin County, South Dakota · 6W & 1S of Lake Norden · Structure no. 000000029079160

Built
1960
65 years old
Condition
Poor
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
34 ft
1 main span
Daily traffic
38
2022 count
Owner
County
County Highway Agency

About this bridge

194th Street over Dolph Creek is a steel stringer/multi-beam or girder carrying 194th Street over Dolph Creek in Hamlin County, South Dakota. It was built in 1960, so it is 65 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 38 vehicles a day, roughly 2% of them trucks, projected to reach 38 by 2032. The structure is 34 ft (10.4 m) long and 24 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Carries194th Street
CrossesDolph Creek
Location6W & 1S of Lake Norden
Coordinates44.57252, -97.33091
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, 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 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating14.7 US tons
Inventory rating11.4 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadUnknown
Structure length34 ft (10.4 m)
Longest span32 ft (9.9 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic38 (2022)
Projected traffic38 by 2032
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 194th Street over Dolph Creek built?

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

What condition is 194th Street over Dolph Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in July 2024.

How much traffic does 194th Street over Dolph Creek carry?

About 38 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is 194th Street over Dolph Creek?

The structure is 34 ft (10.4 m) long with a longest span of 32 ft (9.9 m) and a deck 24 ft wide.

Who owns 194th Street over Dolph Creek?

It is owned by the County Highway Agency.