US Bridges

Local Rd. 21B over Sugar Creek

Good

Linn County, Kansas · 5.0S 0.7W of LA Cygne · Structure no. 000541095805380

Built
1996
29 years old, rebuilt 1997
Condition
Good
inspected March 2024
Type
Culvert
Concrete
Length
24 ft
2 main spans
Daily traffic
30
2006 count
Owner
County
County Highway Agency

About this bridge

Local Rd. 21B over Sugar Creek is a concrete culvert carrying Local Rd. 21B over Sugar Creek in Linn County, Kansas. It was built in 1996 and reconstructed in 1997, so it is 29 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 30 vehicles a day, projected to reach 35 by 2044. The structure is 24 ft (7.3 m) long and 26 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesLocal Rd. 21B
CrossesSugar Creek
Location5.0S 0.7W of LA Cygne
RouteCounty Highway 0
CountyLinn County
StateKansas
Coordinates38.27253, -94.77537
Functional classRural Local

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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating35.7 US tons
Inventory rating25 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length24 ft (7.3 m)
Longest span12 ft (3.6 m)
Deck width26 ft (7.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic30 (2006)
Projected traffic35 by 2044
Trucks0%
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 Local Rd. 21B over Sugar Creek built?

It was built in 1996, making it 29 years old in 2025. It was reconstructed in 1997.

What condition is Local Rd. 21B over Sugar Creek 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 2024.

How much traffic does Local Rd. 21B over Sugar Creek carry?

About 30 vehicles per day (2006 count).

How long is Local Rd. 21B over Sugar Creek?

The structure is 24 ft (7.3 m) long with a longest span of 12 ft (3.6 m) and a deck 26 ft wide.

Who owns Local Rd. 21B over Sugar Creek?

It is owned by the County Highway Agency.