US Bridges

US385 over Fall Rv

Good

Fall River County, South Dakota · 0.5 N JCT US 18W · Structure no. 000000024290027

Built
1998
27 years old
Condition
Good
inspected December 2022
Type
Stringer/Multi-beam or Girder
Steel
Length
144 ft
1 main span
Daily traffic
4,898
2024 count
Owner
State
State Highway Agency

About this bridge

US385 over Fall Rv is a steel stringer/multi-beam or girder carrying US385 over Fall Rv in Fall River County, South Dakota. It was built in 1998, so it is 27 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 4,898 vehicles a day, roughly 4% of them trucks, projected to reach 7,278 by 2044. The structure is 144 ft (44 m) long and 52 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesUS385
CrossesFall Rv
Location0.5 N JCT US 18W
RouteU.S. Route 385
Coordinates43.43893, -103.48004
Functional classRural Principal Arterial - Other

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 inspectionDecember 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating86.5 US tons
Inventory rating51.8 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length144 ft (44 m)
Longest span142 ft (43.3 m)
Deck width52 ft (16 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,898 (2024)
Projected traffic7,278 by 2044
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemYes

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 US385 over Fall Rv built?

It was built in 1998, making it 27 years old in 2025.

What condition is US385 over Fall Rv 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 December 2022.

How much traffic does US385 over Fall Rv carry?

About 4,898 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is US385 over Fall Rv?

The structure is 144 ft (44 m) long with a longest span of 142 ft (43.3 m) and a deck 52 ft wide.

Who owns US385 over Fall Rv?

It is owned by the State Highway Agency.