US Bridges

2100 RD Mile 13 over Onion Creek

Fair

Montgomery County, Kansas · 3.7W 1.5N of Bolton · Structure no. 000630979006883

Built
1988
37 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
23 ft
1 main span
Daily traffic
20
2010 count
Owner
County
County Highway Agency

About this bridge

2100 RD Mile 13 over Onion Creek is a steel stringer/multi-beam or girder carrying 2100 RD Mile 13 over Onion Creek in Montgomery County, Kansas. It was built in 1988, so it is 37 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 20 vehicles a day, projected to reach 25 by 2039. The structure is 23 ft (7.1 m) long and 22 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
Carries2100 RD Mile 13
CrossesOnion Creek
Location3.7W 1.5N of Bolton
RouteCounty Highway 0
CountyMontgomery County
StateKansas
Coordinates37.17886, -95.87396
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.
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 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 evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99.9 US tons
Inventory rating61.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckSteel plate
Main spans1
Design loadUnknown
Structure length23 ft (7.1 m)
Longest span22 ft (6.7 m)
Deck width22 ft (6.8 m)
Roadway width22 ft (6.6 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 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 2100 RD Mile 13 over Onion Creek built?

It was built in 1988, making it 37 years old in 2025.

What condition is 2100 RD Mile 13 over Onion 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 2100 RD Mile 13 over Onion Creek carry?

About 20 vehicles per day (2010 count).

How long is 2100 RD Mile 13 over Onion Creek?

The structure is 23 ft (7.1 m) long with a longest span of 22 ft (6.7 m) and a deck 22 ft wide.

Who owns 2100 RD Mile 13 over Onion Creek?

It is owned by the County Highway Agency.