US Bridges

Rs 304 811-484.3 over Local Drainage

Good

Saline County, Kansas · 2.8S of Gypsum · Structure no. 000000000850140

Built
1950
75 years old, rebuilt 1966
Condition
Good
inspected February 2025
Type
Culvert
Concrete
Length
34 ft
3 main spans
Daily traffic
322
2020 count
Owner
County
County Highway Agency

About this bridge

Rs 304 811-484.3 over Local Drainage is a concrete culvert carrying Rs 304 811-484.3 over Local Drainage in Saline County, Kansas. It was built in 1950 and reconstructed in 1966, 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 322 vehicles a day, roughly 6% of them trucks, projected to reach 290 by 2043. The structure is 34 ft (10.3 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesRs 304 811-484.3
CrossesLocal Drainage
Location2.8S of Gypsum
RouteCounty Highway 304
StateKansas
Coordinates38.66195, -97.42755
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadUnknown
Structure length34 ft (10.3 m)
Longest span14 ft (4.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic322 (2020)
Projected traffic290 by 2043
Trucks6%
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 statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Rs 304 811-484.3 over Local Drainage built?

It was built in 1950, making it 75 years old in 2025. It was reconstructed in 1966.

What condition is Rs 304 811-484.3 over Local Drainage 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 February 2025.

How much traffic does Rs 304 811-484.3 over Local Drainage carry?

About 322 vehicles per day (2020 count), of which roughly 6% are trucks.

How long is Rs 304 811-484.3 over Local Drainage?

The structure is 34 ft (10.3 m) long with a longest span of 14 ft (4.2 m).

Who owns Rs 304 811-484.3 over Local Drainage?

It is owned by the County Highway Agency.