US Bridges

US-283 HWY over Smoky Hill River

Good

Trego County, Kansas · 6.15 MI N Ness CO Line · Structure no. 999928300980491

Built
2004
21 years old
Condition
Good
inspected April 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
881 ft
9 main spans
Daily traffic
1,385
2023 count
Owner
State
State Highway Agency

About this bridge

US-283 HWY over Smoky Hill River is a prestressed concrete continuous stringer/multi-beam or girder carrying US-283 HWY over Smoky Hill River in Trego County, Kansas. It was built in 2004, so it is 21 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 1,385 vehicles a day, roughly 33% of them trucks, projected to reach 2,183 by 2044. The structure is 881 ft (268.4 m) long and 38 ft wide. If it were closed, the detour would be 7.5 mi (12 km).

CarriesUS-283 HWY
CrossesSmoky Hill River
Location6.15 MI N Ness CO Line
RouteU.S. Route 283
StateKansas
Coordinates38.78528, -99.89333
Functional classRural Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 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 geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating51.8 US tons
Inventory rating39.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckNot applicable
Main spans9
Design loadHL 93
Structure length881 ft (268.4 m)
Longest span97 ft (29.7 m)
Deck width38 ft (11.6 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,385 (2023)
Projected traffic2,183 by 2044
Trucks33%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed7.5 mi (12 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 US-283 HWY over Smoky Hill River built?

It was built in 2004, making it 21 years old in 2025.

What condition is US-283 HWY 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 April 2023.

How much traffic does US-283 HWY over Smoky Hill River carry?

About 1,385 vehicles per day (2023 count), of which roughly 33% are trucks.

How long is US-283 HWY over Smoky Hill River?

The structure is 881 ft (268.4 m) long with a longest span of 97 ft (29.7 m) and a deck 38 ft wide.

Who owns US-283 HWY over Smoky Hill River?

It is owned by the State Highway Agency.