US Bridges

264th Madison ST over Trib to Skunk Ck

Fair

Minnehaha County, South Dakota · 0.5S & 0.9E Ellis · Structure no. 000000050159200

Built
1978
47 years old
Condition
Fair
inspected July 2023
Type
Tee Beam
Prestressed Concrete
Length
38 ft
1 main span
Daily traffic
336
2023 count
Owner
County
County Highway Agency

About this bridge

264th Madison ST over Trib to Skunk Ck is a prestressed concrete tee beam carrying 264th Madison ST over Trib to Skunk Ck in Minnehaha County, South Dakota. It was built in 1978, so it is 47 years old, younger 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 336 vehicles a day, roughly 2% of them trucks, projected to reach 390 by 2038. The structure is 38 ft (11.6 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
Carries264th Madison ST
CrossesTrib to Skunk Ck
Location0.5S & 0.9E Ellis
RouteCounty Highway 0
CountyMinnehaha County
StateSouth Dakota
Coordinates43.55836, -96.81154
Functional classRural Local

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
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 geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating36 US tons
Inventory rating21.6 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadUnknown
Structure length38 ft (11.6 m)
Longest span36 ft (10.9 m)
Deck width32 ft (9.8 m)
Roadway width31 ft (9.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic336 (2023)
Projected traffic390 by 2038
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$451,000 (2017 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 264th Madison ST over Trib to Skunk Ck built?

It was built in 1978, making it 47 years old in 2025.

What condition is 264th Madison ST over Trib to Skunk Ck 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 264th Madison ST over Trib to Skunk Ck carry?

About 336 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is 264th Madison ST over Trib to Skunk Ck?

The structure is 38 ft (11.6 m) long with a longest span of 36 ft (10.9 m) and a deck 32 ft wide.

Who owns 264th Madison ST over Trib to Skunk Ck?

It is owned by the County Highway Agency.