US Bridges

Local Rd. 58A1 over N. Fork Little Sugar Ck.

Good

Linn County, Kansas · 1.0E 2.4N of Blue Mound · Structure no. 000541075005566

Built
1978
47 years old
Condition
Good
inspected February 2024
Type
Culvert
Concrete
Length
22 ft
2 main spans
Daily traffic
20
2006 count
Owner
County
County Highway Agency

About this bridge

Local Rd. 58A1 over N. Fork Little Sugar Ck. is a concrete culvert carrying Local Rd. 58A1 over N. Fork Little Sugar Ck. in Linn County, Kansas. It was built in 1978, so it is 47 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 20 vehicles a day, projected to reach 30 by 2044. The structure is 22 ft (6.6 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. 58A1
CrossesN. Fork Little Sugar Ck.
Location1.0E 2.4N of Blue Mound
RouteCounty Highway 0
CountyLinn County
StateKansas
Coordinates38.13102, -94.9885
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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionFebruary 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 alignment8: Equal to present desirable criteria
Operating rating31.7 US tons
Inventory rating23 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length22 ft (6.6 m)
Longest span10 ft (3 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 traffic20 (2006)
Projected traffic30 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. 58A1 over N. Fork Little Sugar Ck. built?

It was built in 1978, making it 47 years old in 2025.

What condition is Local Rd. 58A1 over N. Fork Little Sugar Ck. 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 February 2024.

How much traffic does Local Rd. 58A1 over N. Fork Little Sugar Ck. carry?

About 20 vehicles per day (2006 count).

How long is Local Rd. 58A1 over N. Fork Little Sugar Ck.?

The structure is 22 ft (6.6 m) long with a longest span of 10 ft (3 m) and a deck 26 ft wide.

Who owns Local Rd. 58A1 over N. Fork Little Sugar Ck.?

It is owned by the County Highway Agency.