US Bridges

Rs 304 27th. Ave over South Gypsum Creek

FairPosted for load

McPherson County, Kansas · 3.0S of Roxbury · Structure no. 000000000590070

Built
1951
74 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Concrete Continuous
Length
122 ft
3 main spans
Daily traffic
265
2020 count
Owner
County
County Highway Agency

About this bridge

Rs 304 27th. Ave over South Gypsum Creek is a concrete continuous stringer/multi-beam or girder carrying Rs 304 27th. Ave over South Gypsum Creek in McPherson County, Kansas. It was built in 1951, so it is 74 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 265 vehicles a day, roughly 12% of them trucks, projected to reach 400 by 2040. The structure is 122 ft (37.3 m) long and 26 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesRs 304 27th. Ave
CrossesSouth Gypsum Creek
Location3.0S of Roxbury
RouteCounty Highway 304
CountyMcPherson County
StateKansas
Coordinates38.50748, -97.42639
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 protection7 GoodSome minor problems.
Last inspectionApril 2023
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating25.7 US tons
Inventory rating15.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length122 ft (37.3 m)
Longest span50 ft (15.2 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 traffic265 (2020)
Projected traffic400 by 2040
Trucks12%
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 statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$300,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Rs 304 27th. Ave over South Gypsum Creek built?

It was built in 1951, making it 74 years old in 2025.

What condition is Rs 304 27th. Ave over South Gypsum 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 April 2023.

How much traffic does Rs 304 27th. Ave over South Gypsum Creek carry?

About 265 vehicles per day (2020 count), of which roughly 12% are trucks.

How long is Rs 304 27th. Ave over South Gypsum Creek?

The structure is 122 ft (37.3 m) long with a longest span of 50 ft (15.2 m) and a deck 26 ft wide.

Who owns Rs 304 27th. Ave over South Gypsum Creek?

It is owned by the County Highway Agency.