US Bridges

Local Rd. 8 over Roberts Creek

PoorPosted for load

Wabaunsee County, Kansas · 8.0N 7.0E Int. I70&K99 · Structure no. 000990945504125

Built
1900
125 years old, rebuilt 1996
Condition
Poor
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
60 ft
3 main spans
Daily traffic
20
2013 count
Owner
County
County Highway Agency

About this bridge

Local Rd. 8 over Roberts Creek is a steel continuous stringer/multi-beam or girder carrying Local Rd. 8 over Roberts Creek in Wabaunsee County, Kansas. It was built in 1900 and reconstructed in 1996, so it is 125 years old, older than the Kansas average of 52.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 20 vehicles a day, projected to reach 25 by 2043. The structure is 60 ft (18.4 m) long and 20 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesLocal Rd. 8
CrossesRoberts Creek
Location8.0N 7.0E Int. I70&K99
RouteCounty Highway 0
StateKansas
Coordinates39.18031, -96.15719
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

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.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating13.9 US tons
Inventory rating8.3 US tons

Structure

MaterialSteel Continuous
DeckCorrugated steel
Main spans3
Design loadUnknown
Structure length60 ft (18.4 m)
Longest span25 ft (7.5 m)
Deck width20 ft (6.1 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic20 (2013)
Projected traffic25 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$470,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Local Rd. 8 over Roberts Creek built?

It was built in 1900, making it 125 years old in 2025. It was reconstructed in 1996.

What condition is Local Rd. 8 over Roberts Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in November 2023.

How much traffic does Local Rd. 8 over Roberts Creek carry?

About 20 vehicles per day (2013 count).

How long is Local Rd. 8 over Roberts Creek?

The structure is 60 ft (18.4 m) long with a longest span of 25 ft (7.5 m) and a deck 20 ft wide.

Who owns Local Rd. 8 over Roberts Creek?

It is owned by the County Highway Agency.