US Bridges

4900 RD Mile 27 over Salt Creek

Fair

Montgomery County, Kansas · 3.0N 5.0E of Sycamore · Structure no. 000631007006609

Built
1940
85 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
53 ft
2 main spans
Daily traffic
20
2010 count
Owner
County
County Highway Agency

About this bridge

4900 RD Mile 27 over Salt Creek is a steel stringer/multi-beam or girder carrying 4900 RD Mile 27 over Salt Creek in Montgomery County, Kansas. It was built in 1940, so it is 85 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.

It carries about 20 vehicles a day, projected to reach 25 by 2039. The structure is 53 ft (16.2 m) long and 20 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
Carries4900 RD Mile 27
CrossesSalt Creek
Location3.0N 5.0E of Sycamore
RouteCounty Highway 0
CountyMontgomery County
StateKansas
Coordinates37.37151, -95.62032
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating37.8 US tons
Inventory rating22.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length53 ft (16.2 m)
Longest span30 ft (9.1 m)
Deck width20 ft (6.2 m)
Roadway width18 ft (5.6 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic20 (2010)
Projected traffic25 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$300,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 4900 RD Mile 27 over Salt Creek built?

It was built in 1940, making it 85 years old in 2025.

What condition is 4900 RD Mile 27 over Salt 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 March 2023.

How much traffic does 4900 RD Mile 27 over Salt Creek carry?

About 20 vehicles per day (2010 count).

How long is 4900 RD Mile 27 over Salt Creek?

The structure is 53 ft (16.2 m) long with a longest span of 30 ft (9.1 m) and a deck 20 ft wide.

Who owns 4900 RD Mile 27 over Salt Creek?

It is owned by the County Highway Agency.