US Bridges

Rs 450 783-476.50 over Local Drainage

Good

Saline County, Kansas · 1.5S of Smolan · Structure no. 000000000850260

Built
1971
54 years old
Condition
Good
inspected February 2023
Type
Culvert
Concrete
Length
114 ft
6 main spans
Daily traffic
557
2020 count
Owner
County
County Highway Agency

About this bridge

Rs 450 783-476.50 over Local Drainage is a concrete culvert carrying Rs 450 783-476.50 over Local Drainage in Saline County, Kansas. It was built in 1971, so it is 54 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 557 vehicles a day, roughly 6% of them trucks, projected to reach 742 by 2043. The structure is 114 ft (34.7 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesRs 450 783-476.50
CrossesLocal Drainage
Location1.5S of Smolan
RouteCounty Highway 450
CountySaline County
StateKansas
Coordinates38.71854, -97.68714
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 inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being 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 alignment8: Equal to present desirable criteria
Operating rating38.7 US tons
Inventory rating23.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans6
Design loadHS 15
Structure length114 ft (34.7 m)
Longest span18 ft (5.4 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic557 (2020)
Projected traffic742 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 450 783-476.50 over Local Drainage built?

It was built in 1971, making it 54 years old in 2025.

What condition is Rs 450 783-476.50 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 2023.

How much traffic does Rs 450 783-476.50 over Local Drainage carry?

About 557 vehicles per day (2020 count), of which roughly 6% are trucks.

How long is Rs 450 783-476.50 over Local Drainage?

The structure is 114 ft (34.7 m) long with a longest span of 18 ft (5.4 m) and a deck 30 ft wide.

Who owns Rs 450 783-476.50 over Local Drainage?

It is owned by the County Highway Agency.