US Bridges

1300 RD Mile 20 over Salt Creek

Fair

Montgomery County, Kansas · 2.5W 1.3S Int US160-K39 · Structure no. 000630971006748

Built
1981
44 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
90 ft
3 main spans
Daily traffic
35
2010 count
Owner
County
County Highway Agency

About this bridge

1300 RD Mile 20 over Salt Creek is a steel stringer/multi-beam or girder carrying 1300 RD Mile 20 over Salt Creek in Montgomery County, Kansas. It was built in 1981, so it is 44 years old, younger 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 35 vehicles a day, projected to reach 42 by 2039. The structure is 90 ft (27.3 m) long and 25 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
Carries1300 RD Mile 20
CrossesSalt Creek
Location2.5W 1.3S Int US160-K39
RouteCounty Highway 0
CountyMontgomery County
StateKansas
Coordinates37.27291, -95.94616
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 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 geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36.2 US tons
Inventory rating21.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length90 ft (27.3 m)
Longest span60 ft (18.2 m)
Deck width25 ft (7.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic35 (2010)
Projected traffic42 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 statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 1300 RD Mile 20 over Salt Creek built?

It was built in 1981, making it 44 years old in 2025.

What condition is 1300 RD Mile 20 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 1300 RD Mile 20 over Salt Creek carry?

About 35 vehicles per day (2010 count).

How long is 1300 RD Mile 20 over Salt Creek?

The structure is 90 ft (27.3 m) long with a longest span of 60 ft (18.2 m) and a deck 25 ft wide.

Who owns 1300 RD Mile 20 over Salt Creek?

It is owned by the County Highway Agency.