US Bridges

Broadway Ave over Hilgers Gulch

Fair

Hughes County, South Dakota · Broadway Ave Pierre · Structure no. 000000033114121

Built
1964
61 years old
Condition
Fair
inspected November 2023
Type
Culvert
Concrete Continuous
Length
59 ft
5 main spans
Daily traffic
6,045
2023 count
Owner
State
State Highway Agency

About this bridge

Broadway Ave over Hilgers Gulch is a concrete continuous culvert carrying Broadway Ave over Hilgers Gulch in Hughes County, South Dakota. It was built in 1964, so it is 61 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 6,045 vehicles a day, roughly 8% of them trucks, projected to reach 6,045 by 2043. The structure is 59 ft (18 m) long.

CarriesBroadway Ave
CrossesHilgers Gulch
LocationBroadway Ave Pierre
RouteU.S. Route 14
Coordinates44.36663, -100.3422
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
Channel and channel protection7 GoodSome minor problems.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating76.9 US tons
Inventory rating46 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans5
Design loadHS 20
Structure length59 ft (18 m)
Longest span11 ft (3.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,045 (2023)
Projected traffic6,045 by 2043
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Broadway Ave over Hilgers Gulch built?

It was built in 1964, making it 61 years old in 2025.

What condition is Broadway Ave over Hilgers Gulch 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 November 2023.

How much traffic does Broadway Ave over Hilgers Gulch carry?

About 6,045 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is Broadway Ave over Hilgers Gulch?

The structure is 59 ft (18 m) long with a longest span of 11 ft (3.4 m).

Who owns Broadway Ave over Hilgers Gulch?

It is owned by the State Highway Agency.