US Bridges

482nd Avenue over Deer Creek

Good

Brookings County, South Dakota · 9.4N & 4W Elkton · Structure no. 000000006280116

Built
2019
6 years old
Condition
Good
inspected September 2023
Type
Tee Beam
Prestressed Concrete
Length
67 ft
1 main span
Daily traffic
228
2022 count
Owner
County
County Highway Agency

About this bridge

482nd Avenue over Deer Creek is a prestressed concrete tee beam carrying 482nd Avenue over Deer Creek in Brookings County, South Dakota. It was built in 2019, so it is 6 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 228 vehicles a day, roughly 2% of them trucks, projected to reach 228 by 2032. The structure is 67 ft (20.4 m) long and 33 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Carries482nd Avenue
CrossesDeer Creek
Location9.4N & 4W Elkton
RouteCounty Highway 0
Coordinates44.37464, -96.56673
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50 US tons
Inventory rating36.7 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length67 ft (20.4 m)
Longest span65 ft (19.8 m)
Deck width33 ft (10.1 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic228 (2022)
Projected traffic228 by 2032
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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$1.2 million (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 482nd Avenue over Deer Creek built?

It was built in 2019, making it 6 years old in 2025.

What condition is 482nd Avenue over Deer Creek 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 September 2023.

How much traffic does 482nd Avenue over Deer Creek carry?

About 228 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is 482nd Avenue over Deer Creek?

The structure is 67 ft (20.4 m) long with a longest span of 65 ft (19.8 m) and a deck 33 ft wide.

Who owns 482nd Avenue over Deer Creek?

It is owned by the County Highway Agency.