US Bridges

Lyle Road over North Fork Grand Rv

Fair

Perkins County, South Dakota · 10.5KM N & 1.5 W Lodgepol · Structure no. 000000053130037

Built
2000
25 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
36 ft
3 main spans
Daily traffic
20
2022 count
Owner
County
County Highway Agency

About this bridge

Lyle Road over North Fork Grand Rv is a steel stringer/multi-beam or girder carrying Lyle Road over North Fork Grand Rv in Perkins County, South Dakota. It was built in 2000, so it is 25 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 20 vehicles a day, roughly 2% of them trucks, projected to reach 22 by 2032. The structure is 36 ft (11 m) long and 16 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

Location

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CarriesLyle Road
CrossesNorth Fork Grand Rv
Location10.5KM N & 1.5 W Lodgepol
RouteCounty Highway 0
CountyPerkins County
StateSouth Dakota
Coordinates45.89616, -102.69362
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating61.8 US tons
Inventory rating47.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckOther
Main spans3
Design loadHS 20
Structure length36 ft (11 m)
Longest span12 ft (3.7 m)
Deck width16 ft (4.9 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2022)
Projected traffic22 by 2032
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Lyle Road over North Fork Grand Rv built?

It was built in 2000, making it 25 years old in 2025.

What condition is Lyle Road over North Fork Grand Rv 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 May 2023.

How much traffic does Lyle Road over North Fork Grand Rv carry?

About 20 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is Lyle Road over North Fork Grand Rv?

The structure is 36 ft (11 m) long with a longest span of 12 ft (3.7 m) and a deck 16 ft wide.

Who owns Lyle Road over North Fork Grand Rv?

It is owned by the County Highway Agency.