US Bridges

Minor Col 92 over Murphy Creek

PoorPosted for load

Crawford County, Kansas · 6.6S of Walnut · Structure no. 000191067006426

Built
1920
105 years old
Condition
Poor
inspected April 2024
Type
Slab
Concrete Continuous
Length
23 ft
2 main spans
Daily traffic
30
2013 count
Owner
County
County Highway Agency

About this bridge

Minor Col 92 over Murphy Creek is a concrete continuous slab carrying Minor Col 92 over Murphy Creek in Crawford County, Kansas. It was built in 1920, so it is 105 years old, older than the Kansas average of 52.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 30 vehicles a day, projected to reach 36 by 2044. The structure is 23 ft (7 m) long and 17 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesMinor Col 92
CrossesMurphy Creek
Location6.6S of Walnut
RouteCounty Highway 1903
StateKansas
Coordinates37.50529, -95.07025
Functional classRural Minor Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

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.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.6 US tons
Inventory rating26 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length23 ft (7 m)
Longest span10 ft (2.9 m)
Deck width17 ft (5.3 m)
Roadway width16 ft (5 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic30 (2013)
Projected traffic36 by 2044
Trucks0%
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 statusPossibly eligible for the National Register; requires further investigation
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$240,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Minor Col 92 over Murphy Creek built?

It was built in 1920, making it 105 years old in 2025.

What condition is Minor Col 92 over Murphy Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in April 2024.

How much traffic does Minor Col 92 over Murphy Creek carry?

About 30 vehicles per day (2013 count).

How long is Minor Col 92 over Murphy Creek?

The structure is 23 ft (7 m) long with a longest span of 10 ft (2.9 m) and a deck 17 ft wide.

Who owns Minor Col 92 over Murphy Creek?

It is owned by the County Highway Agency.