US Bridges

509 Center Str E over Madison Ck

Good

Lake County, South Dakota · Center ST E - Madison · Structure no. 000000040131132

Built
2020
5 years old
Condition
Good
inspected August 2023
Type
Culvert
Concrete Continuous
Length
28 ft
3 main spans
Daily traffic
1,283
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

509 Center Str E over Madison Ck is a concrete continuous culvert carrying 509 Center Str E over Madison Ck in Lake County, South Dakota. It was built in 2020, so it is 5 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,283 vehicles a day, roughly 8% of them trucks, projected to reach 1,283 by 2032. The structure is 28 ft (8.6 m) long and 50 ft wide.

Carries509 Center Str E
CrossesMadison Ck
LocationCenter ST E - Madison
RouteCity Street 0
Coordinates44.00514, -97.10778
Functional classUrban Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48 US tons
Inventory rating37 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHL 93
Structure length28 ft (8.6 m)
Longest span9 ft (2.7 m)
Deck width50 ft (15.2 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,283 (2022)
Projected traffic1,283 by 2032
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 509 Center Str E over Madison Ck built?

It was built in 2020, making it 5 years old in 2025.

What condition is 509 Center Str E over Madison Ck in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2023.

How much traffic does 509 Center Str E over Madison Ck carry?

About 1,283 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is 509 Center Str E over Madison Ck?

The structure is 28 ft (8.6 m) long with a longest span of 9 ft (2.7 m) and a deck 50 ft wide.

Who owns 509 Center Str E over Madison Ck?

It is owned by the City or Municipal Highway Agency.