US Bridges

Rs 304 27th. Ave over Trib. South Gypsum Creek

Good

McPherson County, Kansas · 2.6S of Roxbury · Structure no. 000000000590080

Built
1950
75 years old
Condition
Good
inspected April 2023
Type
Culvert
Concrete
Length
20 ft
1 main span
Daily traffic
265
2020 count
Owner
County
County Highway Agency

About this bridge

Rs 304 27th. Ave over Trib. South Gypsum Creek is a concrete culvert carrying Rs 304 27th. Ave over Trib. South Gypsum Creek in McPherson County, Kansas. It was built in 1950, so it is 75 years old, older than the Kansas average of 52.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 265 vehicles a day, roughly 12% of them trucks, projected to reach 400 by 2040. The structure is 20 ft (6.1 m) long and 31 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesRs 304 27th. Ave
CrossesTrib. South Gypsum Creek
Location2.6S of Roxbury
RouteCounty Highway 304
CountyMcPherson County
StateKansas
Coordinates38.51364, -97.42577
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating38.4 US tons
Inventory rating23 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadH 15
Structure length20 ft (6.1 m)
Longest span20 ft (6 m)
Deck width31 ft (9.3 m)
Roadway width30 ft (9.1 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

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

It was built in 1950, making it 75 years old in 2025.

What condition is Rs 304 27th. Ave over Trib. South Gypsum Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in April 2023.

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

The structure is 20 ft (6.1 m) long with a longest span of 20 ft (6 m) and a deck 31 ft wide.

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

It is owned by the County Highway Agency.