US Bridges

Rs 1050 805-456.50 over Smoky Hill River

Good

Saline County, Kansas · 1.0S 1.2E of New Cambria · Structure no. 000000000850650

Built
1975
50 years old
Condition
Good
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
316 ft
3 main spans
Daily traffic
908
2020 count
Owner
County
County Highway Agency

About this bridge

Rs 1050 805-456.50 over Smoky Hill River is a steel continuous stringer/multi-beam or girder carrying Rs 1050 805-456.50 over Smoky Hill River in Saline County, Kansas. It was built in 1975, so it is 50 years old, younger 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 908 vehicles a day, roughly 6% of them trucks, projected to reach 197 by 2043. The structure is 316 ft (96.2 m) long and 30 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesRs 1050 805-456.50
CrossesSmoky Hill River
Location1.0S 1.2E of New Cambria
RouteCounty Highway 1050
StateKansas
Coordinates38.86374, -97.48331
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51.9 US tons
Inventory rating31 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 15
Structure length316 ft (96.2 m)
Longest span120 ft (36.5 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 traffic908 (2020)
Projected traffic197 by 2043
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 1050 805-456.50 over Smoky Hill River built?

It was built in 1975, making it 50 years old in 2025.

What condition is Rs 1050 805-456.50 over Smoky Hill River 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 March 2023.

How much traffic does Rs 1050 805-456.50 over Smoky Hill River carry?

About 908 vehicles per day (2020 count), of which roughly 6% are trucks.

How long is Rs 1050 805-456.50 over Smoky Hill River?

The structure is 316 ft (96.2 m) long with a longest span of 120 ft (36.5 m) and a deck 30 ft wide.

Who owns Rs 1050 805-456.50 over Smoky Hill River?

It is owned by the County Highway Agency.