US Bridges

J Road (rs 1760) over Slate Creek

Fair

Rooks County, Kansas · 8.0N 2.5E of Damar · Structure no. 000000000820045

Built
1931
94 years old
Condition
Fair
inspected August 2024
Type
Tee Beam
Concrete
Length
131 ft
4 main spans
Daily traffic
50
2020 count
Owner
County
County Highway Agency

About this bridge

J Road (rs 1760) over Slate Creek is a concrete tee beam carrying J Road (rs 1760) over Slate Creek in Rooks County, Kansas. It was built in 1931, so it is 94 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 5 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 50 vehicles a day, projected to reach 60 by 2044. The structure is 131 ft (39.8 m) long and 27 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

No coordinates are recorded for this structure.

CarriesJ Road (rs 1760)
CrossesSlate Creek
Location8.0N 2.5E of Damar
RouteCounty Highway 1760
CountyRooks County
StateKansas
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55.4 US tons
Inventory rating33.2 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length131 ft (39.8 m)
Longest span32 ft (9.9 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic50 (2020)
Projected traffic60 by 2044
Trucks0%
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 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 J Road (rs 1760) over Slate Creek built?

It was built in 1931, making it 94 years old in 2025.

What condition is J Road (rs 1760) over Slate Creek 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 August 2024.

How much traffic does J Road (rs 1760) over Slate Creek carry?

About 50 vehicles per day (2020 count).

How long is J Road (rs 1760) over Slate Creek?

The structure is 131 ft (39.8 m) long with a longest span of 32 ft (9.9 m) and a deck 27 ft wide.

Who owns J Road (rs 1760) over Slate Creek?

It is owned by the County Highway Agency.