US Bridges

Second Street over First Ave NW

Fair

Brown County, South Dakota · 0.6 N JCT US12 - Aberdeen · Structure no. 000000007112325

Built
2003
22 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
61 ft
1 main span
Daily traffic
11,055
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Second Street over First Ave NW is a steel stringer/multi-beam or girder carrying Second Street over First Ave NW in Brown County, South Dakota. It was built in 2003, so it is 22 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 6 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 11,055 vehicles a day, roughly 3% of them trucks, projected to reach 12,150 by 2032. The structure is 61 ft (18.7 m) long and 66 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSecond Street
CrossesFirst Ave NW
Location0.6 N JCT US12 - Aberdeen
RouteCity Street 0
Coordinates45.46672, -98.49089
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43.2 US tons
Inventory rating33.3 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length61 ft (18.7 m)
Longest span57 ft (17.5 m)
Deck width66 ft (20.2 m)
Roadway width52 ft (15.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,055 (2022)
Projected traffic12,150 by 2032
Trucks3%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.2 mi (2 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Second Street over First Ave NW built?

It was built in 2003, making it 22 years old in 2025.

What condition is Second Street over First Ave NW 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 October 2024.

How much traffic does Second Street over First Ave NW carry?

About 11,055 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is Second Street over First Ave NW?

The structure is 61 ft (18.7 m) long with a longest span of 57 ft (17.5 m) and a deck 66 ft wide.

Who owns Second Street over First Ave NW?

It is owned by the City or Municipal Highway Agency.