US Bridges

Mccurdy Gulch over Rapid Creek

Poor

Pennington County, South Dakota · T 1 N R 5 E Sec 2 · Structure no. 020306000010011

Built
1945
80 years old, rebuilt 1985
Condition
Poor
inspected May 2024
Type
Slab
Wood or Timber
Length
33 ft
1 main span
Daily traffic
10
1992 count
Owner
Federal
U.S. Forest Service

About this bridge

Mccurdy Gulch over Rapid Creek is a wood or timber slab carrying Mccurdy Gulch over Rapid Creek in Pennington County, South Dakota. It was built in 1945 and reconstructed in 1985, so it is 80 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 10 vehicles a day, projected to reach 10 by 2013. The structure is 33 ft (10 m) long and 24 ft wide. If it were closed, the detour would be 620.7 mi (999 km).

CarriesMccurdy Gulch
CrossesRapid Creek
LocationT 1 N R 5 E Sec 2
RouteFederal Lands Road 164
Coordinates44.06667, -103.475
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating42.9 US tons
Inventory rating33.2 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadHS 20
Structure length33 ft (10 m)
Longest span31 ft (9.3 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (1992)
Projected traffic10 by 2013
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed620.7 mi (999 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerU.S. Forest Service
Maintained byU.S. Forest Service
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Mccurdy Gulch over Rapid Creek built?

It was built in 1945, making it 80 years old in 2025. It was reconstructed in 1985.

What condition is Mccurdy Gulch over Rapid Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in May 2024.

How much traffic does Mccurdy Gulch over Rapid Creek carry?

About 10 vehicles per day (1992 count).

How long is Mccurdy Gulch over Rapid Creek?

The structure is 33 ft (10 m) long with a longest span of 31 ft (9.3 m) and a deck 24 ft wide.

Who owns Mccurdy Gulch over Rapid Creek?

It is owned by the U.S. Forest Service.