US Bridges

375th Avenue over Creek

Fair

Beadle County, South Dakota · 10W & 8.9S of Wolsey · Structure no. 000000003010239

Built
1958
67 years old
Condition
Fair
inspected September 2024
Type
Slab
Wood or Timber
Length
25 ft
1 main span
Daily traffic
120
2022 count
Owner
County
County Highway Agency

About this bridge

375th Avenue over Creek is a wood or timber slab carrying 375th Avenue over Creek in Beadle County, South Dakota. It was built in 1958, so it is 67 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 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 120 vehicles a day, roughly 2% of them trucks, projected to reach 120 by 2032. The structure is 25 ft (7.6 m) long and 22 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Carries375th Avenue
CrossesCreek
Location10W & 8.9S of Wolsey
Coordinates44.28398, -98.67982
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadUnknown
Structure length25 ft (7.6 m)
Longest span23 ft (7 m)
Deck width22 ft (6.6 m)
Roadway width21 ft (6.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic120 (2022)
Projected traffic120 by 2032
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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$929,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 375th Avenue over Creek built?

It was built in 1958, making it 67 years old in 2025.

What condition is 375th Avenue over Creek 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 2024.

How much traffic does 375th Avenue over Creek carry?

About 120 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is 375th Avenue over Creek?

The structure is 25 ft (7.6 m) long with a longest span of 23 ft (7 m) and a deck 22 ft wide.

Who owns 375th Avenue over Creek?

It is owned by the County Highway Agency.