US Bridges

Cliff Avenue over Big Sioux River

Fair

Minnehaha County, South Dakota · N of Walnut Street - Sf · Structure no. 000000050210195

Built
1994
31 years old
Condition
Fair
inspected September 2023
Type
Slab
Concrete Continuous
Length
278 ft
5 main spans
Daily traffic
13,370
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Cliff Avenue over Big Sioux River is a concrete continuous slab carrying Cliff Avenue over Big Sioux River in Minnehaha County, South Dakota. It was built in 1994, so it is 31 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 13,370 vehicles a day, roughly 4% of them trucks, projected to reach 13,770 by 2032. The structure is 278 ft (84.7 m) long and 78 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesCliff Avenue
CrossesBig Sioux River
LocationN of Walnut Street - Sf
RouteCity Street 0
Coordinates43.56706, -96.71144
Functional classUrban Minor Arterial

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating28.1 US tons
Inventory rating21.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20 + Mod
Structure length278 ft (84.7 m)
Longest span58 ft (17.8 m)
Deck width78 ft (23.9 m)
Roadway width64 ft (19.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,370 (2022)
Projected traffic13,770 by 2032
Trucks4%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
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 Cliff Avenue over Big Sioux River built?

It was built in 1994, making it 31 years old in 2025.

What condition is Cliff Avenue over Big Sioux River 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 September 2023.

How much traffic does Cliff Avenue over Big Sioux River carry?

About 13,370 vehicles per day (2022 count), of which roughly 4% are trucks.

How long is Cliff Avenue over Big Sioux River?

The structure is 278 ft (84.7 m) long with a longest span of 58 ft (17.8 m) and a deck 78 ft wide.

Who owns Cliff Avenue over Big Sioux River?

It is owned by the City or Municipal Highway Agency.