US Bridges

Rs 622 2.5-T.5 over Little Blue River

FairPosted for load

Washington County, Kansas · 0.5W of Hollenberg · Structure no. 000000001010200

Built
1975
50 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
578 ft
5 main spans
Daily traffic
55
2014 count
Owner
County
County Highway Agency

About this bridge

Rs 622 2.5-T.5 over Little Blue River is a steel continuous stringer/multi-beam or girder carrying Rs 622 2.5-T.5 over Little Blue River in Washington County, Kansas. It was built in 1975, so it is 50 years old, younger 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 55 vehicles a day, projected to reach 66 by 2043. The structure is 578 ft (176.2 m) long and 30 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesRs 622 2.5-T.5
CrossesLittle Blue River
Location0.5W of Hollenberg
RouteCounty Highway 622
StateKansas
Coordinates39.98042, -97.00412
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating34.9 US tons
Inventory rating20.9 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadH 15
Structure length578 ft (176.2 m)
Longest span125 ft (38.1 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic55 (2014)
Projected traffic66 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 Rs 622 2.5-T.5 over Little Blue River built?

It was built in 1975, making it 50 years old in 2025.

What condition is Rs 622 2.5-T.5 over Little Blue River 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 April 2023.

How much traffic does Rs 622 2.5-T.5 over Little Blue River carry?

About 55 vehicles per day (2014 count).

How long is Rs 622 2.5-T.5 over Little Blue River?

The structure is 578 ft (176.2 m) long with a longest span of 125 ft (38.1 m) and a deck 30 ft wide.

Who owns Rs 622 2.5-T.5 over Little Blue River?

It is owned by the County Highway Agency.