US Bridges

2-W.2 312 over Trib. Little Blue River

Fair

Washington County, Kansas · 0.5N 2.0E of Hollenberg · Structure no. 001010861203020

Built
1960
65 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
29 ft
1 main span
Daily traffic
55
2014 count
Owner
County
County Highway Agency

About this bridge

2-W.2 312 over Trib. Little Blue River is a steel stringer/multi-beam or girder carrying 2-W.2 312 over Trib. Little Blue River in Washington County, Kansas. It was built in 1960, so it is 65 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.

It carries about 55 vehicles a day, projected to reach 68 by 2043. The structure is 29 ft (8.8 m) long and 20 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
Carries2-W.2 312
CrossesTrib. Little Blue River
Location0.5N 2.0E of Hollenberg
RouteCounty Highway 10124
CountyWashington County
StateKansas
Coordinates39.98714, -96.95363
Functional classRural Minor 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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no 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 alignment8: Equal to present desirable criteria
Operating rating63.6 US tons
Inventory rating38.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length29 ft (8.8 m)
Longest span28 ft (8.5 m)
Deck width20 ft (6.2 m)
Roadway width20 ft (6.2 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic55 (2014)
Projected traffic68 by 2043
Trucks0%
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 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 2-W.2 312 over Trib. Little Blue River built?

It was built in 1960, making it 65 years old in 2025.

What condition is 2-W.2 312 over Trib. 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 March 2023.

How much traffic does 2-W.2 312 over Trib. Little Blue River carry?

About 55 vehicles per day (2014 count).

How long is 2-W.2 312 over Trib. Little Blue River?

The structure is 29 ft (8.8 m) long with a longest span of 28 ft (8.5 m) and a deck 20 ft wide.

Who owns 2-W.2 312 over Trib. Little Blue River?

It is owned by the County Highway Agency.