US Bridges

Aa Road (rs 1979) over Trib to Smoky Hill River

Good

Trego County, Kansas · 9.0S 2.2E of Trego Center · Structure no. 000000000980660

Built
2005
20 years old
Condition
Good
inspected June 2023
Type
Culvert
Concrete
Length
43 ft
3 main spans
Daily traffic
25
2020 count
Owner
County
County Highway Agency

About this bridge

Aa Road (rs 1979) over Trib to Smoky Hill River is a concrete culvert carrying Aa Road (rs 1979) over Trib to Smoky Hill River in Trego County, Kansas. It was built in 2005, so it is 20 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 25 vehicles a day, projected to reach 35 by 2043. The structure is 43 ft (13.2 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesAa Road (rs 1979)
CrossesTrib to Smoky Hill River
Location9.0S 2.2E of Trego Center
RouteCounty Highway 1979
CountyTrego County
StateKansas
Coordinates38.75447, -99.85336
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 inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating94.4 US tons
Inventory rating56.5 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length43 ft (13.2 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 traffic25 (2020)
Projected traffic35 by 2043
Trucks0%
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 Aa Road (rs 1979) over Trib to Smoky Hill River built?

It was built in 2005, making it 20 years old in 2025.

What condition is Aa Road (rs 1979) over Trib to 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 June 2023.

How much traffic does Aa Road (rs 1979) over Trib to Smoky Hill River carry?

About 25 vehicles per day (2020 count).

How long is Aa Road (rs 1979) over Trib to Smoky Hill River?

The structure is 43 ft (13.2 m) long with a longest span of 14 ft (4.2 m).

Who owns Aa Road (rs 1979) over Trib to Smoky Hill River?

It is owned by the County Highway Agency.