US Bridges

170th RD over Rattlesnake Creek

FairPosted for load

Lincoln County, Kansas · 7.5W 1.6N of Barnard · Structure no. 000530729004084

Built
1925
100 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
31 ft
1 main span
Daily traffic
30
2022 count
Owner
County
County Highway Agency

About this bridge

170th RD over Rattlesnake Creek is a steel stringer/multi-beam or girder carrying 170th RD over Rattlesnake Creek in Lincoln County, Kansas. It was built in 1925, so it is 100 years old, older than the Kansas average of 52.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 30 vehicles a day, roughly 5% of them trucks, projected to reach 35 by 2044. The structure is 31 ft (9.4 m) long and 18 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
Carries170th RD
CrossesRattlesnake Creek
Location7.5W 1.6N of Barnard
RouteCounty Highway 0
CountyLincoln County
StateKansas
Coordinates39.21212, -98.19132
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating29.8 US tons
Inventory rating17.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length31 ft (9.4 m)
Longest span30 ft (9.1 m)
Deck width18 ft (5.5 m)
Roadway width17 ft (5.2 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic30 (2022)
Projected traffic35 by 2044
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$260,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 170th RD over Rattlesnake Creek built?

It was built in 1925, making it 100 years old in 2025.

What condition is 170th RD over Rattlesnake Creek 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 October 2024.

How much traffic does 170th RD over Rattlesnake Creek carry?

About 30 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is 170th RD over Rattlesnake Creek?

The structure is 31 ft (9.4 m) long with a longest span of 30 ft (9.1 m) and a deck 18 ft wide.

Who owns 170th RD over Rattlesnake Creek?

It is owned by the County Highway Agency.