US Bridges

4700 RD Mile 27 over Salt Creek

PoorPosted for load

Montgomery County, Kansas · 3.2N 4.0E of Sycamore · Structure no. 000631005006608

Built
1930
95 years old
Condition
Poor
inspected March 2023
Type
Culvert
Concrete
Length
48 ft
1 main span
Daily traffic
20
2010 count
Owner
County
County Highway Agency

About this bridge

4700 RD Mile 27 over Salt Creek is a concrete culvert carrying 4700 RD Mile 27 over Salt Creek in Montgomery County, Kansas. It was built in 1930, so it is 95 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 2039. The structure is 48 ft (14.5 m) long and 16 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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Carries4700 RD Mile 27
CrossesSalt Creek
Location3.2N 4.0E of Sycamore
RouteCounty Highway 0
CountyMontgomery County
StateKansas
Coordinates37.37053, -95.63851
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating11.1 US tons
Inventory rating11.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length48 ft (14.5 m)
Longest span40 ft (12.1 m)
Deck width16 ft (4.9 m)
Roadway width15 ft (4.5 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic20 (2010)
Projected traffic25 by 2039
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 4700 RD Mile 27 over Salt Creek built?

It was built in 1930, making it 95 years old in 2025.

What condition is 4700 RD Mile 27 over Salt 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 2023.

How much traffic does 4700 RD Mile 27 over Salt Creek carry?

About 20 vehicles per day (2010 count).

How long is 4700 RD Mile 27 over Salt Creek?

The structure is 48 ft (14.5 m) long with a longest span of 40 ft (12.1 m) and a deck 16 ft wide.

Who owns 4700 RD Mile 27 over Salt Creek?

It is owned by the County Highway Agency.