US Bridges

NW 130 RD over Middle Branch Bluff Ck.

FairPosted for load

Harper County, Kansas · 7.0N 1.3E of Attica · Structure no. 000390723906660

Built
1930
95 years old
Condition
Fair
inspected February 2023
Type
Culvert
Concrete
Length
34 ft
4 main spans
Daily traffic
10
2021 count
Owner
County
County Highway Agency

About this bridge

NW 130 RD over Middle Branch Bluff Ck. is a concrete culvert carrying NW 130 RD over Middle Branch Bluff Ck. in Harper County, Kansas. It was built in 1930, so it is 95 years old, older than the Kansas average of 52.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 10 vehicles a day, roughly 2% of them trucks, projected to reach 10 by 2043. The structure is 34 ft (10.5 m) long and 17 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesNW 130 RD
CrossesMiddle Branch Bluff Ck.
Location7.0N 1.3E of Attica
RouteCounty Highway 0
CountyHarper County
StateKansas
Coordinates37.34083, -98.20564
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating16 US tons
Inventory rating16 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadUnknown
Structure length34 ft (10.5 m)
Longest span8 ft (2.4 m)
Deck width17 ft (5.2 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic10 (2021)
Projected traffic10 by 2043
Trucks2%
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 statusPossibly eligible for the National Register; requires further investigation
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$350,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was NW 130 RD over Middle Branch Bluff Ck. built?

It was built in 1930, making it 95 years old in 2025.

What condition is NW 130 RD over Middle Branch Bluff Ck. in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in February 2023.

How much traffic does NW 130 RD over Middle Branch Bluff Ck. carry?

About 10 vehicles per day (2021 count), of which roughly 2% are trucks.

How long is NW 130 RD over Middle Branch Bluff Ck.?

The structure is 34 ft (10.5 m) long with a longest span of 8 ft (2.4 m) and a deck 17 ft wide.

Who owns NW 130 RD over Middle Branch Bluff Ck.?

It is owned by the County Highway Agency.