US Bridges

Local Rd. N-4 over Stream

Good

Nemaha County, Kansas · 2.5N 1.0W of Corning · Structure no. 000660957003420

Built
2005
20 years old
Condition
Good
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
38 ft
1 main span
Daily traffic
10
2008 count
Owner
County
County Highway Agency

About this bridge

Local Rd. N-4 over Stream is a steel stringer/multi-beam or girder carrying Local Rd. N-4 over Stream in Nemaha 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 10 vehicles a day, projected to reach 14 by 2044. The structure is 38 ft (11.6 m) long and 24 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesLocal Rd. N-4
CrossesStream
Location2.5N 1.0W of Corning
RouteCounty Highway 0
StateKansas
Coordinates39.6967, -96.05139
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43.2 US tons
Inventory rating25.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length38 ft (11.6 m)
Longest span36 ft (10.9 m)
Deck width24 ft (7.4 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic10 (2008)
Projected traffic14 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 statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$75,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Local Rd. N-4 over Stream built?

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

What condition is Local Rd. N-4 over Stream 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. N-4 over Stream carry?

About 10 vehicles per day (2008 count).

How long is Local Rd. N-4 over Stream?

The structure is 38 ft (11.6 m) long with a longest span of 36 ft (10.9 m) and a deck 24 ft wide.

Who owns Local Rd. N-4 over Stream?

It is owned by the County Highway Agency.