Map Dams News Reports Premium

Connecting the data points... literally.

Comprehensive bridge condition data and infrastructure intelligence for every bridge in the United States.

Explore

Search Bridges
State Rankings
Compare States
Insights
Premium
Build a Bridge
About BridgeStats
Contact
RSS Feed

Popular States

California
Texas
New York
Pennsylvania
Ohio

Data Sources

National Bridge Inventory
FHWA

© 2026 BridgeStats. All rights reserved.

Privacy Policy|Terms of Service

Data sourced from the National Bridge Inventory (NBI) maintained by the Federal Highway Administration. BridgeStats is not affiliated with the U.S. government. Data is provided for informational purposes only.

Fun fact: Covered bridges were roofed to protect the wood, not the travelers.

Lyman County Bridge Conditions & Ratings - South Dakota | BridgeStats

Home South DakotaLyman County

Lyman County

South Dakota

Total Bridges

114

Poor Condition

10.5%

Avg Sufficiency

62.0

Avg Age

50 yrs

County Overview

Total Bridges

114

Poor Condition

12(10.5%)

Good or Better

59

Avg Sufficiency

62.0

Average Age

50 yrs

Daily Crossings

191K

All Bridges in Lyman County

Showing 1 - 20 of 114 bridges

Sort by:

232ND STREET

over CREEK

Lyman County, South Dakota

Built 2017(9 yr)

232ND STREET

over CREEK

Lyman County, South Dakota

Built 2010(16 yr)

234TH STREET

over CREEK

Lyman County, South Dakota

Built 2008(18 yr)

238TH STREET

over STONEY BUTTE CREEK

Lyman County, South Dakota

Built 2002(24 yr)

239TH STREET

over MEDICINE CREEK

Lyman County, South Dakota

Built 1986(40 yr)

239TH STREET

over MEDICINE CREEK

Lyman County, South Dakota

Built 1986(40 yr)

239TH STREET

over GROUSE CREEK

Lyman County, South Dakota

Built 2000(26 yr)

240TH STREET

over MEDICINE CREEK

Lyman County, South Dakota

Built 2005(21 yr)

241ST STREET

over MEDICINE CREEK

Lyman County, South Dakota

Built 1930(96 yr)

241ST STREET

over TRIB. TO MEDICINE CREEK

Lyman County, South Dakota

Built 1930(96 yr)

241ST STREET

over MEDICINE CREEK

Lyman County, South Dakota

Built 1979(47 yr)

241ST STREET

over MEDICINE CREEK

Lyman County, South Dakota

Built 1932(94 yr)

243RD STREET

over AMERICAN CROW CREEK

Lyman County, South Dakota

Built 2004(22 yr)

265TH STREET

over CREEK

Lyman County, South Dakota

Built 2003(23 yr)

268TH STREET

over BULL CREEK

Lyman County, South Dakota

Built 1964(62 yr)

291ST AVENUE

over CREEK

Lyman County, South Dakota

Built 1930(96 yr)

293RD AVENUE

over CREEK

Lyman County, South Dakota

Built 2018(8 yr)

299TH AVENUE

over UNNAMED CREEK

Lyman County, South Dakota

Built 1968(58 yr)

299TH STREET

over MEDICINE CREEK

Lyman County, South Dakota

Built 1968(58 yr)

2ND ST. IN PRESHO

over MEDICINE CREEK

Lyman County, South Dakota

Built 1920(106 yr)

Data sourced from the Federal Highway Administration's National Bridge Inventory (NBI). Last updated 2024. BridgeStats is not affiliated with or endorsed by the FHWA.