US Bridges

RD H 939.0-544.1 over Moon Branch Creek

PoorPosted for load

Lyon County, Kansas · 3.1W 2.1S of Olpe · Structure no. 000560939005441

Built
1928
97 years old
Condition
Poor
inspected March 2023
Type
Slab
Concrete
Length
34 ft
2 main spans
Daily traffic
80
2007 count
Owner
County
County Highway Agency

About this bridge

RD H 939.0-544.1 over Moon Branch Creek is a concrete slab carrying RD H 939.0-544.1 over Moon Branch Creek in Lyon County, Kansas. It was built in 1928, so it is 97 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 80 vehicles a day, projected to reach 80 by 2043. The structure is 34 ft (10.5 m) long and 23 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

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CarriesRD H 939.0-544.1
CrossesMoon Branch Creek
Location3.1W 2.1S of Olpe
RouteCounty Highway 5613
CountyLyon County
StateKansas
Coordinates38.23036, -96.22978
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be 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 alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating40 US tons
Inventory rating25 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length34 ft (10.5 m)
Longest span16 ft (4.8 m)
Deck width23 ft (7 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic80 (2007)
Projected traffic80 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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$63,000
NavigationNo navigation control on waterway

Frequently asked questions

When was RD H 939.0-544.1 over Moon Branch Creek built?

It was built in 1928, making it 97 years old in 2025.

What condition is RD H 939.0-544.1 over Moon Branch 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 March 2023.

How much traffic does RD H 939.0-544.1 over Moon Branch Creek carry?

About 80 vehicles per day (2007 count).

How long is RD H 939.0-544.1 over Moon Branch Creek?

The structure is 34 ft (10.5 m) long with a longest span of 16 ft (4.8 m) and a deck 23 ft wide.

Who owns RD H 939.0-544.1 over Moon Branch Creek?

It is owned by the County Highway Agency.