US Bridges

465th Avenue over Hidewood Creek

Good

Hamlin County, South Dakota · 1.7N of Estelline · Structure no. 000000029290133

Built
2005
20 years old
Condition
Good
inspected July 2024
Type
Tee Beam
Prestressed Concrete
Length
76 ft
1 main span
Daily traffic
720
2022 count
Owner
County
County Highway Agency

About this bridge

465th Avenue over Hidewood Creek is a prestressed concrete tee beam carrying 465th Avenue over Hidewood Creek in Hamlin County, South Dakota. It was built in 2005, so it is 20 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 720 vehicles a day, roughly 9% of them trucks, projected to reach 880 by 2032. The structure is 76 ft (23.2 m) long and 32 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Carries465th Avenue
CrossesHidewood Creek
Location1.7N of Estelline
RouteCounty Highway 0
Coordinates44.61177, -96.90511
Functional classRural Major Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating38.3 US tons
Inventory rating29.5 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20 + Mod
Structure length76 ft (23.2 m)
Longest span72 ft (21.9 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic720 (2022)
Projected traffic880 by 2032
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 465th Avenue over Hidewood Creek built?

It was built in 2005, making it 20 years old in 2025.

What condition is 465th Avenue over Hidewood 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 July 2024.

How much traffic does 465th Avenue over Hidewood Creek carry?

About 720 vehicles per day (2022 count), of which roughly 9% are trucks.

How long is 465th Avenue over Hidewood Creek?

The structure is 76 ft (23.2 m) long with a longest span of 72 ft (21.9 m) and a deck 32 ft wide.

Who owns 465th Avenue over Hidewood Creek?

It is owned by the County Highway Agency.