US Bridges

3300 RD Mile 26 over Sycamore Creek

PoorPosted for load

Montgomery County, Kansas · 2.8N 3.0W of Sycamore · Structure no. 000000000630670

Built
1920
105 years old
Condition
Poor
inspected March 2024
Type
Truss - Thru
Steel
Length
133 ft
1 main span
Daily traffic
58
2010 count
Owner
County
County Highway Agency

About this bridge

3300 RD Mile 26 over Sycamore Creek is a steel truss - thru carrying 3300 RD Mile 26 over Sycamore Creek in Montgomery County, Kansas. It was built in 1920, so it is 105 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 3 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 58 vehicles a day, projected to reach 70 by 2039. The structure is 133 ft (40.5 m) long and 20 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Carries3300 RD Mile 26
CrossesSycamore Creek
Location2.8N 3.0W of Sycamore
RouteCounty Highway 2072
StateKansas
Coordinates37.36777, -95.76461
Functional classRural Major Collector

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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating35.7 US tons
Inventory rating26.8 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckWood or timber
Main spans1
Design loadUnknown
Structure length133 ft (40.5 m)
Longest span129 ft (39.4 m)
Deck width20 ft (6.1 m)
Roadway width20 ft (6 m)
Vertical clearance over deck14 ft (4.4 m)

Traffic and service

Average daily traffic58 (2010)
Projected traffic70 by 2039
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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$635,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 3300 RD Mile 26 over Sycamore Creek built?

It was built in 1920, making it 105 years old in 2025.

What condition is 3300 RD Mile 26 over Sycamore 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 March 2024.

How much traffic does 3300 RD Mile 26 over Sycamore Creek carry?

About 58 vehicles per day (2010 count).

How long is 3300 RD Mile 26 over Sycamore Creek?

The structure is 133 ft (40.5 m) long with a longest span of 129 ft (39.4 m) and a deck 20 ft wide.

Who owns 3300 RD Mile 26 over Sycamore Creek?

It is owned by the County Highway Agency.