US Bridges

Aa Road (rs 1850) over Sand Creek Tributary

Good

Rooks County, Kansas · 3.0S 2.0W of Zurich · Structure no. 000000000820053

Built
1963
62 years old
Condition
Good
inspected August 2024
Type
Culvert
Concrete
Length
42 ft
4 main spans
Daily traffic
50
2020 count
Owner
County
County Highway Agency

About this bridge

Aa Road (rs 1850) over Sand Creek Tributary is a concrete culvert carrying Aa Road (rs 1850) over Sand Creek Tributary in Rooks County, Kansas. It was built in 1963, so it is 62 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 50 vehicles a day, projected to reach 60 by 2044. The structure is 42 ft (12.8 m) long and 32 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesAa Road (rs 1850)
CrossesSand Creek Tributary
Location3.0S 2.0W of Zurich
RouteCounty Highway 1850
StateKansas
Coordinates39.19078, -99.46889
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 inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40.5 US tons
Inventory rating24.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadH 15
Structure length42 ft (12.8 m)
Longest span10 ft (3 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic50 (2020)
Projected traffic60 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Aa Road (rs 1850) over Sand Creek Tributary built?

It was built in 1963, making it 62 years old in 2025.

What condition is Aa Road (rs 1850) over Sand Creek Tributary 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 August 2024.

How much traffic does Aa Road (rs 1850) over Sand Creek Tributary carry?

About 50 vehicles per day (2020 count).

How long is Aa Road (rs 1850) over Sand Creek Tributary?

The structure is 42 ft (12.8 m) long with a longest span of 10 ft (3 m) and a deck 32 ft wide.

Who owns Aa Road (rs 1850) over Sand Creek Tributary?

It is owned by the County Highway Agency.