US Bridges

HP-12 Jarbalo RD over Unnamed Stream

FairPosted for load

Leavenworth County, Kansas · 3.0E 3.1N of Jarbalo · Structure no. 000000000520120

Built
1937
88 years old
Condition
Fair
inspected July 2024
Type
Culvert
Steel
Length
20 ft
1 main span
Daily traffic
405
2021 count
Owner
County
County Highway Agency

About this bridge

HP-12 Jarbalo RD over Unnamed Stream is a steel culvert carrying HP-12 Jarbalo RD over Unnamed Stream in Leavenworth County, Kansas. It was built in 1937, so it is 88 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 405 vehicles a day, roughly 11% of them trucks, projected to reach 1,625 by 2042. The structure is 20 ft (6.2 m) long and 29 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesHP-12 Jarbalo RD
CrossesUnnamed Stream
Location3.0E 3.1N of Jarbalo
RouteCounty Highway 383
StateKansas
Coordinates39.24606, -95.0136
Functional classRural Major Collector

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating99.8 US tons
Inventory rating75 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans1
Design loadUnknown
Structure length20 ft (6.2 m)
Longest span20 ft (6.1 m)
Deck width29 ft (8.7 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic405 (2021)
Projected traffic1,625 by 2042
Trucks11%
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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was HP-12 Jarbalo RD over Unnamed Stream built?

It was built in 1937, making it 88 years old in 2025.

What condition is HP-12 Jarbalo RD over Unnamed Stream 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 July 2024.

How much traffic does HP-12 Jarbalo RD over Unnamed Stream carry?

About 405 vehicles per day (2021 count), of which roughly 11% are trucks.

How long is HP-12 Jarbalo RD over Unnamed Stream?

The structure is 20 ft (6.2 m) long with a longest span of 20 ft (6.1 m) and a deck 29 ft wide.

Who owns HP-12 Jarbalo RD over Unnamed Stream?

It is owned by the County Highway Agency.