US Bridges

Wayne Avenue over Trib to Skunk Ck

PoorPosted for load

Minnehaha County, South Dakota · 3.4S & 1.5W Ellis · Structure no. 000000050135229

Built
1940
85 years old
Condition
Poor
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
24 ft
1 main span
Daily traffic
56
2023 count
Owner
County
County Highway Agency

About this bridge

Wayne Avenue over Trib to Skunk Ck is a steel stringer/multi-beam or girder carrying Wayne Avenue over Trib to Skunk Ck in Minnehaha County, South Dakota. It was built in 1940, so it is 85 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 56 vehicles a day, roughly 2% of them trucks, projected to reach 65 by 2038. The structure is 24 ft (7.3 m) long and 20 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesWayne Avenue
CrossesTrib to Skunk Ck
Location3.4S & 1.5W Ellis
RouteCounty Highway 0
Coordinates43.51757, -96.86055
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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusPosted for load 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 adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating47.6 US tons
Inventory rating28.5 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length24 ft (7.3 m)
Longest span23 ft (7 m)
Deck width20 ft (6 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic56 (2023)
Projected traffic65 by 2038
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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$352,000 (2017 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Wayne Avenue over Trib to Skunk Ck built?

It was built in 1940, making it 85 years old in 2025.

What condition is Wayne Avenue over Trib to Skunk Ck 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 2023.

How much traffic does Wayne Avenue over Trib to Skunk Ck carry?

About 56 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is Wayne Avenue over Trib to Skunk Ck?

The structure is 24 ft (7.3 m) long with a longest span of 23 ft (7 m) and a deck 20 ft wide.

Who owns Wayne Avenue over Trib to Skunk Ck?

It is owned by the County Highway Agency.