US Bridges

333 Avenue over Bull Ck

Fair

Gregory County, South Dakota · 4.2N & 4W JCT 44&47 · Structure no. 000000027010038

Built
1965
60 years old
Condition
Fair
inspected August 2024
Type
Slab
Concrete Continuous
Length
134 ft
3 main spans
Daily traffic
36
2022 count
Owner
County
County Highway Agency

About this bridge

333 Avenue over Bull Ck is a concrete continuous slab carrying 333 Avenue over Bull Ck in Gregory County, South Dakota. It was built in 1965, so it is 60 years old, older 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 36 vehicles a day, roughly 2% of them trucks, projected to reach 36 by 2032. The structure is 134 ft (40.8 m) long and 32 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Carries333 Avenue
CrossesBull Ck
Location4.2N & 4W JCT 44&47
RouteCounty Highway 0
Coordinates43.44622, -99.51473
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.9 US tons
Inventory rating32.8 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length134 ft (40.8 m)
Longest span49 ft (14.9 m)
Deck width32 ft (9.9 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic36 (2022)
Projected traffic36 by 2032
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$16,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 333 Avenue over Bull Ck built?

It was built in 1965, making it 60 years old in 2025.

What condition is 333 Avenue over Bull 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 August 2024.

How much traffic does 333 Avenue over Bull Ck carry?

About 36 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is 333 Avenue over Bull Ck?

The structure is 134 ft (40.8 m) long with a longest span of 49 ft (14.9 m) and a deck 32 ft wide.

Who owns 333 Avenue over Bull Ck?

It is owned by the County Highway Agency.