US Bridges

350 Road (rs 1512) over Middle Br. Hackberry Ck.

FairPosted for load

Logan County, Kansas · 2.5S of Monument · Structure no. 000000000550019

Built
1952
73 years old
Condition
Fair
inspected September 2024
Type
Culvert
Concrete
Length
104 ft
7 main spans
Daily traffic
265
2020 count
Owner
County
County Highway Agency

About this bridge

350 Road (rs 1512) over Middle Br. Hackberry Ck. is a concrete culvert carrying 350 Road (rs 1512) over Middle Br. Hackberry Ck. in Logan County, Kansas. It was built in 1952, so it is 73 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 265 vehicles a day, roughly 10% of them trucks, projected to reach 285 by 2044. The structure is 104 ft (31.7 m) long and 26 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
Carries350 Road (rs 1512)
CrossesMiddle Br. Hackberry Ck.
Location2.5S of Monument
RouteCounty Highway 1512
CountyLogan County
StateKansas
Coordinates39.06689, -101.01698
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 inspectionSeptember 2024
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 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 rating24 US tons
Inventory rating14.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans7
Design loadH 15
Structure length104 ft (31.7 m)
Longest span14 ft (4.2 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic265 (2020)
Projected traffic285 by 2044
Trucks10%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 350 Road (rs 1512) over Middle Br. Hackberry Ck. built?

It was built in 1952, making it 73 years old in 2025.

What condition is 350 Road (rs 1512) over Middle Br. Hackberry 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 September 2024.

How much traffic does 350 Road (rs 1512) over Middle Br. Hackberry Ck. carry?

About 265 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is 350 Road (rs 1512) over Middle Br. Hackberry Ck.?

The structure is 104 ft (31.7 m) long with a longest span of 14 ft (4.2 m) and a deck 26 ft wide.

Who owns 350 Road (rs 1512) over Middle Br. Hackberry Ck.?

It is owned by the County Highway Agency.