US Bridges

4700 RD Mile 2 over Onion Creek

FairPosted for load

Montgomery County, Kansas · 0.6S of Coffeyville · Structure no. 000000000630590

Built
1953
72 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
272 ft
4 main spans
Daily traffic
3,025
2010 count
Owner
County
County Highway Agency

About this bridge

4700 RD Mile 2 over Onion Creek is a steel continuous stringer/multi-beam or girder carrying 4700 RD Mile 2 over Onion Creek in Montgomery County, Kansas. It was built in 1953, so it is 72 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 3,025 vehicles a day, roughly 6% of them trucks, projected to reach 3,630 by 2039. The structure is 272 ft (82.9 m) long and 26 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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Carries4700 RD Mile 2
CrossesOnion Creek
Location0.6S of Coffeyville
RouteCounty Highway 1673
CountyMontgomery County
StateKansas
Coordinates37.01795, -95.6382
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
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 statusPosted for load restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating28.8 US tons
Inventory rating17.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length272 ft (82.9 m)
Longest span74 ft (22.5 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic3,025 (2010)
Projected traffic3,630 by 2039
Trucks6%
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 statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$805,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 4700 RD Mile 2 over Onion Creek built?

It was built in 1953, making it 72 years old in 2025.

What condition is 4700 RD Mile 2 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 4700 RD Mile 2 over Onion Creek carry?

About 3,025 vehicles per day (2010 count), of which roughly 6% are trucks.

How long is 4700 RD Mile 2 over Onion Creek?

The structure is 272 ft (82.9 m) long with a longest span of 74 ft (22.5 m) and a deck 26 ft wide.

Who owns 4700 RD Mile 2 over Onion Creek?

It is owned by the County Highway Agency.