US Bridges

2800 RD Mile 21 over Potato Creek

Fair

Montgomery County, Kansas · 3.0S 0.4E of Liberty · Structure no. 000000000630770

Built
1982
43 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
109 ft
3 main spans
Daily traffic
163
2010 count
Owner
County
County Highway Agency

About this bridge

2800 RD Mile 21 over Potato Creek is a steel continuous stringer/multi-beam or girder carrying 2800 RD Mile 21 over Potato Creek in Montgomery County, Kansas. It was built in 1982, so it is 43 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 6 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 163 vehicles a day, roughly 3% of them trucks, projected to reach 196 by 2039. The structure is 109 ft (33.1 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
Carries2800 RD Mile 21
CrossesPotato Creek
Location3.0S 0.4E of Liberty
RouteCounty Highway 2127
CountyMontgomery County
StateKansas
Coordinates37.10818, -95.59267
Functional classRural Major Collector

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.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99.9 US tons
Inventory rating60.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length109 ft (33.1 m)
Longest span42 ft (12.8 m)
Deck width28 ft (8.5 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic163 (2010)
Projected traffic196 by 2039
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 2800 RD Mile 21 over Potato Creek built?

It was built in 1982, making it 43 years old in 2025.

What condition is 2800 RD Mile 21 over Potato 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 2800 RD Mile 21 over Potato Creek carry?

About 163 vehicles per day (2010 count), of which roughly 3% are trucks.

How long is 2800 RD Mile 21 over Potato Creek?

The structure is 109 ft (33.1 m) long with a longest span of 42 ft (12.8 m) and a deck 28 ft wide.

Who owns 2800 RD Mile 21 over Potato Creek?

It is owned by the County Highway Agency.