US Bridges

Hazelrodt Cg+sh over French Creek

Good

Custer County, South Dakota · T 4 S R 5 E Sec 10 · Structure no. 020303000010057

Built
1954
71 years old
Condition
Good
inspected April 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
29 ft
1 main span
Daily traffic
25
1991 count
Owner
Federal
U.S. Forest Service

About this bridge

Hazelrodt Cg+sh over French Creek is a wood or timber stringer/multi-beam or girder carrying Hazelrodt Cg+sh over French Creek in Custer County, South Dakota. It was built in 1954, so it is 71 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 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 25 vehicles a day, projected to reach 37 by 2045. The structure is 29 ft (8.7 m) long and 17 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesHazelrodt Cg+sh
CrossesFrench Creek
LocationT 4 S R 5 E Sec 10
RouteFederal Lands Road 408.1
Coordinates43.71839, -103.50275
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2023
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 geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating21.4 US tons
Inventory rating16.4 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadUnknown
Structure length29 ft (8.7 m)
Longest span27 ft (8.1 m)
Deck width17 ft (5.2 m)
Roadway width15 ft (4.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (1991)
Projected traffic37 by 2045
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Hazelrodt Cg+sh over French Creek built?

It was built in 1954, making it 71 years old in 2025.

What condition is Hazelrodt Cg+sh over French 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 April 2023.

How much traffic does Hazelrodt Cg+sh over French Creek carry?

About 25 vehicles per day (1991 count).

How long is Hazelrodt Cg+sh over French Creek?

The structure is 29 ft (8.7 m) long with a longest span of 27 ft (8.1 m) and a deck 17 ft wide.

Who owns Hazelrodt Cg+sh over French Creek?

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