US Bridges

18 Road (rs 1474) over Middle Br. Hackberry Ck.

Fair

Gove County, Kansas · 9.4S 5.9W of Grinnell · Structure no. 000000000320340

Built
1957
68 years old
Condition
Fair
inspected May 2024
Type
Tee Beam
Concrete Continuous
Length
183 ft
4 main spans
Daily traffic
75
2020 count
Owner
County
County Highway Agency

About this bridge

18 Road (rs 1474) over Middle Br. Hackberry Ck. is a concrete continuous tee beam carrying 18 Road (rs 1474) over Middle Br. Hackberry Ck. in Gove County, Kansas. It was built in 1957, so it is 68 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 75 vehicles a day, projected to reach 85 by 2044. The structure is 183 ft (55.8 m) long and 26 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
Carries18 Road (rs 1474)
CrossesMiddle Br. Hackberry Ck.
Location9.4S 5.9W of Grinnell
RouteCounty Highway 1474
CountyGove County
StateKansas
Coordinates38.99262, -100.7408
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.4 US tons
Inventory rating21.2 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length183 ft (55.8 m)
Longest span50 ft (15.2 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 traffic75 (2020)
Projected traffic85 by 2044
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 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 18 Road (rs 1474) over Middle Br. Hackberry Ck. built?

It was built in 1957, making it 68 years old in 2025.

What condition is 18 Road (rs 1474) 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 May 2024.

How much traffic does 18 Road (rs 1474) over Middle Br. Hackberry Ck. carry?

About 75 vehicles per day (2020 count).

How long is 18 Road (rs 1474) over Middle Br. Hackberry Ck.?

The structure is 183 ft (55.8 m) long with a longest span of 50 ft (15.2 m) and a deck 26 ft wide.

Who owns 18 Road (rs 1474) over Middle Br. Hackberry Ck.?

It is owned by the County Highway Agency.