US Bridges

US018 over Draw

Fair

Fall River County, South Dakota · 6 NE of Edgemont · Structure no. 000000024145072

Built
1980
45 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
364 ft
4 main spans
Daily traffic
2,434
2024 count
Owner
State
State Highway Agency

About this bridge

US018 over Draw is a steel continuous stringer/multi-beam or girder carrying US018 over Draw in Fall River County, South Dakota. It was built in 1980, so it is 45 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 fair condition with a lowest component rating of 6 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 2,434 vehicles a day, roughly 21% of them trucks, projected to reach 3,617 by 2044. The structure is 364 ft (110.9 m) long and 43 ft wide.

CarriesUS018
CrossesDraw
Location6 NE of Edgemont
RouteU.S. Route 18
Coordinates43.37448, -103.76668
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 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 alignment8: Equal to present desirable criteria
Operating rating66.7 US tons
Inventory rating39.9 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length364 ft (110.9 m)
Longest span100 ft (30.5 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,434 (2024)
Projected traffic3,617 by 2044
Trucks21%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate STRAHNET route

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 US018 over Draw built?

It was built in 1980, making it 45 years old in 2025.

What condition is US018 over Draw 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 August 2024.

How much traffic does US018 over Draw carry?

About 2,434 vehicles per day (2024 count), of which roughly 21% are trucks.

How long is US018 over Draw?

The structure is 364 ft (110.9 m) long with a longest span of 100 ft (30.5 m) and a deck 43 ft wide.

Who owns US018 over Draw?

It is owned by the State Highway Agency.